Sexualized drug use, risky sexual behaviors, and prevention strategies among gay, bisexual, and other men who have sex with men

References

• Achterbergh, R. C. A., Drückler, S., van Rooijen, M. S., van Aar, F., Slurink, I. a L., de Vries, H. J. C., & Boyd, A. (2020). Sex, drugs, and sexually transmitted infections: A latent class analysis among men who have sex with men in Amsterdam and surrounding urban regions, the Netherlands. Drug and Alcohol Dependence, 206, 107526. https://doi.org/10.1016/j.drugalcdep.2019.06.028
   PubMed Web of Science ®Google Scholar
• Armenta, R. F., Abramovitz, D., Lozada, R., Vera, A., Garfein, R. S., Magis-Rodríguez, C., & Strathdee, S. A. (2015). Correlates of perceived risk of HIV infection among persons who inject drugs in Tijuana, Baja California, Mexico. Salud Publica de Mexico, 57 Suppl 2(Suppl 2), S107–S112. https://doi.org/10.21149/spm.v57s2.7597
   PubMedGoogle Scholar
• Bao, Y.-P., Liu, Z.-M., Li, J.-H., Zhang, R.-M., Hao, W., Zhao, M., Shi, J., McGoogan, J. M., & Lu, L. (2015). Club drug use and associated high-risk sexual behaviour in six provinces in China. Addiction, 110 Suppl 1, 11–19. https://doi.org/10.1111/add.12770
   PubMed Web of Science ®Google Scholar
• Batisse, A., Eiden, C., Deheul, S., Monzon, E., Djezzar, S., & Peyrière, H. (2022). Chemsex practice in France: An update in Addictovigilance data. Fundamental & Clinical Pharmacology, 36(2), 397–404. https://doi.org/10.1111/fcp.12725
   PubMed Web of Science ®Google Scholar
• Blomquist, P. B., Mohammed, H., Mikhail, A., Weatherburn, P., Reid, D., Wayal, S., Hughes, G., & Mercer, C. H. (2020). Characteristics and sexual health service use of MSM engaging in chemsex: Results from a large online survey in England. Sexually Transmitted Infections, 96(8), 590–595. https://doi.org/10.1136/sextrans-2019-054345
   PubMed Web of Science ®Google Scholar
• Bourne, A., Reid, D., Hickson, F., Torres-Rueda, S., Steinberg, P., & Weatherburn, P. (2015). “Chemsex” and harm reduction need among gay men in South London. The International Journal on Drug Policy, 26(12), 1171–1176. https://doi.org/10.1016/j.drugpo.2015.07.013
   PubMed Web of Science ®Google Scholar
• Bourne, A., Reid, D., Hickson, F., Torres-Rueda, S., & Weatherburn, P. (2015). Illicit drug use in sexual settings (‘chemsex’) and HIV/STI transmission risk behaviour among gay men in South London: Findings from a qualitative study. Sexually Transmitted Infections, 91(8), 564–568. https://doi.org/10.1136/sextrans-2015-052052
   PubMed Web of Science ®Google Scholar
• Brookmeyer, K. A., Haderxhanaj, L. T., Hogben, M., & Leichliter, J. (2019). Sexual risk behaviors and STDs among persons who inject drugs: A national study. Preventive Medicine, 126, 105779. https://doi.org/10.1016/j.ypmed.2019.105779
   PubMed Web of Science ®Google Scholar
• Chen, G.-L., Lin, S.-Y., Lo, H.-Y., Wu, H.-C., Lin, Y.-M., Chen, T.-C., Sandy Chu, C.-Y., Lee, W.-C., Chen, Y.-H., & Lu, P.-L. (2021). Clinical impact of recreational drug use among people living with HIV in southern Taiwan. Journal of Microbiology, Immunology, and Infection = Wei Mian Yu Gan Ran Za Zhi, 54(5), 952–962. https://doi.org/10.1016/j.jmii.2020.07.016
   PubMedGoogle Scholar
• Curtis, T. J., Rodger, A. J., Burns, F., Nardone, A., Copas, A., & Wayal, S. (2020). Patterns of sexualised recreational drug use and its association with risk behaviours and sexual health outcomes in men who have sex with men in London, UK: A comparison of cross-sectional studies conducted in 2013 and 2016. Sexually Transmitted Infections, 96(3), 197–203. https://doi.org/10.1136/sextrans-2019-054139
   PubMed Web of Science ®Google Scholar
• Dentato, M. P., Halkitis, P. N., & Orwat, J. (2013). Minority stress theory: An examination of factors surrounding sexual risk behavior among gay and bisexual men who use club drugs. Journal of Gay & Lesbian Social Services, 25(4), 509–525. https://doi.org/10.1080/10538720.2013.829395
   Google Scholar
• Dermen, K. H., & Cooper, M. L. (1994). Sex-related alcohol expectancies among adolescents: I. Scale development. Psychology of Addictive Behaviors, 8(3), 152–160. https://doi.org/10.1037/0893-164X.8.3.152
   Web of Science ®Google Scholar
• Diehl, A., Pillon, S. C., Caetano, R., Madruga, C. S., Wagstaff, C., & Laranjeira, R. (2020). Violence and substance use in sexual minorities: Data from the second Brazilian national alcohol and drugs survey (II BNADS). Archives of Psychiatric Nursing, 34(1), 41–48. https://doi.org/10.1016/j.apnu.2019.11.003
   PubMed Web of Science ®Google Scholar
• Drevin, G., Rossi, L.-H., Férec, S., Briet, M., & Abbara, C. (2021). Chemsex/slamsex-related intoxications: A case report involving gamma-hydroxybutyrate (GHB) and 3-methylmethcathinone (3-MMC) and a review of the literature. Forensic Science International, 321, 110743. https://doi.org/10.1016/j.forsciint.2021.110743
   PubMed Web of Science ®Google Scholar
• Drysdale, K., Bryant, J., Hopwood, M., Dowsett, G. W., Holt, M., Lea, T., Aggleton, P., & Treloar, C. (2020). Destabilising the “problem” of chemsex: Diversity in settings, relations and practices revealed in Australian gay and bisexual men’s crystal methamphetamine use. The International Journal on Drug Policy, 78, 102697. https://doi.org/10.1016/j.drugpo.2020.102697
   PubMed Web of Science ®Google Scholar
• Edmundson, C., Heinsbroek, E., Glass, R., Hope, V., Mohammed, H., White, M., & Desai, M. (2018). Sexualised drug use in the United Kingdom (UK): A review of the literature. The International Journal on Drug Policy, 55, 131–148. https://doi.org/10.1016/j.drugpo.2018.02.002
   PubMed Web of Science ®Google Scholar
• Evers, Y. J., Geraets, J. J. H., Van Liere, G. A. F. S., Hoebe, C. J. P. A., & Dukers-Muijrers, N. H. T. M. (2020). Attitude and beliefs about the social environment associated with chemsex among MSM visiting STI clinics in the Netherlands: An observational study. PloS One, 15(7), e0235467. https://doi.org/10.1371/journal.pone.0235467
   PubMed Web of Science ®Google Scholar
• Evers, Y. J., Hoebe, C. J. P. A., Dukers-Muijrers, N. H. T. M., Kampman, C. J. G., Kuizenga-Wessel, S., Shilue, D., Bakker, N. C. M., Schamp, S. M. A. A., Van Buel, H., Van Der Meijden, W. C. J. P. M., & Van Liere, G. A. F. S. (2020). Sexual, addiction and mental health care needs among men who have sex with men practicing chemsex – A cross-sectional study in the Netherlands. Preventive Medicine Reports, 18, 101074. https://doi.org/10.1016/j.pmedr.2020.101074
   PubMedGoogle Scholar
• Fonner, V. A., Dalglish, S. L., Kennedy, C. E., Baggaley, R., O’Reilly, K. R., Koechlin, F. M., Rodolph, M., Hodges-Mameletzis, I., & Grant, R. M. (2016). Effectiveness and safety of oral HIV preexposure prophylaxis for all populations. AIDS (London, England), 30(12), 1973–1983. https://doi.org/10.1097/QAD.0000000000001145
   PubMed Web of Science ®Google Scholar
• Friedman, N. P., Miyake, A., Young, S. E., DeFries, J. C., Corley, R. P., & Hewitt, J. K. (2008). Individual differences in executive functions are almost entirely genetic in origin. Journal of Experimental Psychology. General, 137(2), 201–225. https://doi.org/10.1037/0096-3445.137.2.201
   PubMed Web of Science ®Google Scholar
• Gámez-Guadix, M., & Incera, D. (2021). Homophobia is online: Sexual victimization and risks on the internet and mental health among bisexual, homosexual, pansexual, asexual, and queer adolescents. Computers in Human Behavior, 119, 106728. https://doi.org/10.1016/j.chb.2021.106728
   Web of Science ®Google Scholar
• Gertzen, M., Strasburger, M., Geiger, J., Rosenberger, C., Gernun, S., Schwarz, J., Rabenstein, A., & Rüther, T. (2022). Chemsex: A new challenge in addiction medicine and infectious diseases. Der Nervenarzt, 93(3), 263–278. https://doi.org/10.1007/s00115-021-01116-x
   PubMed Web of Science ®Google Scholar
• Giorgetti, R., Tagliabracci, A., Schifano, F., Zaami, S., Marinelli, E., & Busardò, F. P. (2017). When “Chems” meet sex: A rising phenomenon called “ChemSex. Current Neuropharmacology, 15(5), 762–770. https://doi.org/10.2174/1570159X15666161117151148
   PubMed Web of Science ®Google Scholar
• Glynn, R. W., Byrne, N., O’Dea, S., Shanley, A., Codd, M., Keenan, E., Ward, M., Igoe, D., & Clarke, S. (2018). Chemsex, risk behaviours and sexually transmitted infections among men who have sex with men in Dublin, Ireland. The International Journal on Drug Policy, 52, 9–15. https://doi.org/10.1016/j.drugpo.2017.10.008
   PubMed Web of Science ®Google Scholar
• González-Baeza, A., Dolengevich-Segal, H., Pérez-Valero, I., Cabello, A., Téllez, M. J., Sanz, J., Pérez-Latorre, L., Bernardino, J. I., Troya, J., De La Fuente, S., Bisbal, O., Santos, I., Arponen, S., Hontañon, V., Casado, J. L., & Ryan, P. (2018). Sexualized drug use (Chemsex) is associated with high-risk sexual behaviors and sexually transmitted infections in HIV-positive men who have sex with men: Data from the U-SEX GESIDA 9416 study. AIDS Patient Care and STDs, 32(3), 112–118. https://doi.org/10.1089/apc.2017.0263
   PubMed Web of Science ®Google Scholar
• Guerra, F. M., Salway, T. J., Beckett, R., Friedman, L., & Buchan, S. A. (2020). Review of sexualized drug use associated with sexually transmitted and blood-borne infections in gay, bisexual and other men who have sex with men. Drug and Alcohol Dependence, 216, 108237. https://doi.org/10.1016/j.drugalcdep.2020.108237
   PubMed Web of Science ®Google Scholar
• Guerras, J.-M., Hoyos Miller, J., Agustí, C., Chanos, S., Pichon, F., Kuske, M., Cigan, B., Fuertes, R., Stefanescu, R., Ooms, L., Casabona, J., de la Fuente, L., & Belza, M.-J.(2021). Association of sexualized drug use patterns with HIV/STI transmission risk in an internet sample of men who have sex with men from seven european countries. Archives of Sexual Behavior, 50(2), 461–477. https://doi.org/10.1007/s10508-020-01801-z
   PubMed Web of Science ®Google Scholar
• Hammoud, M. A., Bourne, A., Maher, L., Jin, F., Haire, B., Lea, T., Degenhardt, L., Grierson, J., & Prestage, G. (2018). Intensive sex partying with gamma-hydroxybutyrate: Factors associated with using gamma-hydroxybutyrate for chemsex among Australian gay and bisexual men - results from the Flux Study. Sexual Health, 15(2), 123–134. https://doi.org/10.1071/SH17146
   PubMed Web of Science ®Google Scholar
• Hampel, B., Kusejko, K., Kouyos, R. D., Böni, J., Flepp, M., Stöckle, M., Conen, A., Béguelin, C., Künzler-Heule, P., Nicca, D., Schmidt, A. J., Nguyen, H., Delaloye, J., Rougemont, M., Bernasconi, E., Rauch, A., Günthard, H. F., Braun, D. L., & Fehr, J. (2020). Chemsex drugs on the rise: A longitudinal analysis of the Swiss HIV Cohort Study from 2007 to 2017. HIV Medicine, 21(4), 228–239. https://doi.org/10.1111/hiv.12821
   PubMed Web of Science ®Google Scholar
• Hanum, N., Cambiano, V., Sewell, J., Phillips, A. N., Rodger, A. J., Speakman, A., Nwokolo, N., Asboe, D., Gilson, R., Clarke, A., Miltz, A. R., Collins, S., & Lampe, F. C. (2020). Use of HIV pre-exposure prophylaxis among men who have sex with men in England: Data from the AURAH2 prospective study. The Lancet Public Health, 5(9), e501–e511. https://doi.org/10.1016/S2468-2667(20)30186-9
   PubMed Web of Science ®Google Scholar
• Hegazi, A., Lee, M. J., Whittaker, W., Green, S., Simms, R., Cutts, R., Nagington, M., Nathan, B., & Pakianathan, M. R. (2017). Chemsex and the city: Sexualised substance use in gay bisexual and other men who have sex with men attending sexual health clinics. International Journal of STD & AIDS, 28(4), 362–366. https://doi.org/10.1177/0956462416651229
   PubMed Web of Science ®Google Scholar
• Heinsbroek, E., Glass, R., Edmundson, C., Hope, V., & Desai, M. (2018). Patterns of injecting and non-injecting drug use by sexual behaviour in people who inject drugs attending services in England, Wales and Northern Ireland, 2013–2016. The International Journal on Drug Policy, 55, 215–221. https://doi.org/10.1016/j.drugpo.2018.02.017
   PubMed Web of Science ®Google Scholar
• Hill, M. J., Holt, M., Hanscom, B., Wang, Z., Cardenas-Turanzas, M., & Latkin, C. (2018). Gender and race as correlates of high risk sex behaviors among injection drug users at risk for HIV enrolled in the HPTN 037 study. Drug and Alcohol Dependence, 183, 267–274. https://doi.org/10.1016/j.drugalcdep.2017.11.018
   PubMed Web of Science ®Google Scholar
• Hunt, G., Sanders, E., Petersen, M. A., & Bogren, A. (2022). "Blurring the line": Intoxication, gender, consent and sexual encounters among young adults. Contemporary Drug Problems, 49(1), 84–105. https://doi.org/10.1177/00914509211058900
   PubMedGoogle Scholar
• Hurley, M., & Prestage, G. (2009). Intensive sex partying amongst gay men in Sydney. Culture, Health & Sexuality, 11(6), 597–610. https://doi.org/10.1080/13691050902721853
   PubMed Web of Science ®Google Scholar
• Íncera-Fernández, D., Román, F. J., & Gámez-Guadix, M. (2022). Risky sexual practices, sexually transmitted infections, motivations, and mental health among heterosexual women and men who practice sexualized drug use in Spain. International Journal of Environmental Research and Public Health, 19(11), 6387. https://doi.org/10.3390/ijerph19116387
   PubMed Web of Science ®Google Scholar
• Íncera-Fernández, D., Gámez-Guadix, M., & Moreno-Guillén, S. (2021). Mental health symptoms associated with sexualized drug use (Chemsex) among men who have sex with men: A systematic review. International Journal of Environmental Research and Public Health, 18(24), 13299. Article 24. https://doi.org/10.3390/ijerph182413299
   PubMed Web of Science ®Google Scholar
• Jin, F., Hammoud, M. A., Maher, L., Degenhardt, L., Bourne, A., Lea, T., Vaccher, S., Grierson, J., Haire, B., & Prestage, G. P. (2018). Age-related prevalence and twelve-month incidence of illicit drug use in a cohort of Australian gay and bisexual men: Results from the Flux Study. Drug and Alcohol Dependence, 188, 175–179. https://doi.org/10.1016/j.drugalcdep.2018.04.009
   PubMed Web of Science ®Google Scholar
• Losilla Rodríguez, B., López-Zúñiga, M., Espadafor-López, B., & López-Ruz, M. (2019). Study of ChemSex in HIV positive and negative homosexual patients. Actualidad Medica, 104(806), 24–30. https://doi.org/10.15568/am.2019.806.or04
   Google Scholar
• Macfarlane, A. (2016). Sex, drugs and self-control: Why chemsex is fast becoming a public health concern. The Journal of Family Planning and Reproductive Health Care, 42(4), 291–294. https://doi.org/10.1136/jfprhc-2016-101576
   PubMed Web of Science ®Google Scholar
• MacGregor, L., Kohli, M., Looker, K. J., Hickson, F., Weatherburn, P., Schmidt, A. J., & Turner, K. M. (2021). Chemsex and diagnoses of syphilis, gonorrhoea and chlamydia among men who have sex with men in the UK: A multivariable prediction model using causal inference methodology. Sexually Transmitted Infections, 97(4), 282–289. https://doi.org/10.1136/sextrans-2020-054629
   PubMed Web of Science ®Google Scholar
• Maxwell, S., Shahmanesh, M., & Gafos, M. (2019). Chemsex behaviours among men who have sex with men: A systematic review of the literature. The International Journal on Drug Policy, 63, 74–89. https://doi.org/10.1016/j.drugpo.2018.11.014
   PubMed Web of Science ®Google Scholar
• McCormack, S., Dunn, D. T., Desai, M., Dolling, D. I., Gafos, M., Gilson, R., Sullivan, A. K., Clarke, A., Reeves, I., Schembri, G., Mackie, N., Bowman, C., Lacey, C. J., Apea, V., Brady, M., Fox, J., Taylor, S., Antonucci, S., Khoo, S. H., … Gill, O. N. (2016). Pre-exposure prophylaxis to prevent the acquisition of HIV-1 infection (PROUD): Effectiveness results from the pilot phase of a pragmatic open-label randomised trial. Lancet, 387(10013), 53–60. https://doi.org/10.1016/S0140-6736(15)00056-2
   PubMed Web of Science ®Google Scholar
• Meyer, I. H. (2003). Prejudice, social stress, and mental health in lesbian, gay, and bisexual populations: Conceptual issues and research evidence. Psychological Bulletin, 129(5), 674–697. https://doi.org/10.1037/0033-2909.129.5.674
   PubMed Web of Science ®Google Scholar
• Montgomery, D. C., Peck, E. A., & Vining, G. G. (2021). Introduction to linear regression analysis. John Wiley & Sons.
   Google Scholar
• Nimbi, F. M., Rosati, F., Esposito, R. M., Stuart, D., Simonelli, C., & Tambelli, R. (2020). Chemsex in Italy: Experiences of men who have sex with men consuming illicit drugs to enhance and prolong their sexual activity. The Journal of Sexual Medicine, 17(10), 1875–1884. https://doi.org/10.1016/j.jsxm.2020.07.001
   PubMed Web of Science ®Google Scholar
• Noor, S. W., Adam, B. D., Brennan, D. J., Moskowitz, D. A., Gardner, S., & Hart, T. A. (2018). Scenes as micro-cultures: Examining heterogeneity of HIV risk behavior among gay, bisexual, and other men who have sex with men in Toronto, Canada. Archives of Sexual Behavior, 47(1), 309–321. https://doi.org/10.1007/s10508-017-0948-y
   PubMed Web of Science ®Google Scholar
• Nydegger, L. A., Ames, S. L., Stacy, A. W., & Grenard, J. L. (2014). Response inhibition moderates the association between drug use and risky sexual behavior. Substance Use & Misuse, 49(11), 1457–1464. https://doi.org/10.3109/10826084.2014.912230
   PubMed Web of Science ®Google Scholar
• O’Halloran, C., Croxford, S., Mohammed, H., Gill, O. N., Hughes, G., Fifer, H., Allen, H., Owen, G., Nutland, W., Delpech, V., & Saunders, J. M. (2021). Factors associated with reporting antibiotic use as STI prophylaxis among HIV PrEP users: Findings from a cross-sectional online community survey, May-July 2019, UK. Sexually Transmitted Infections, 97(6), 429–433. https://doi.org/10.1136/sextrans-2020-054592
   PubMed Web of Science ®Google Scholar
• Pakianathan, M., Whittaker, W., Lee, M. J., Avery, J., Green, S., Nathan, B., & Hegazi, A. (2018). Chemsex and new HIV diagnosis in gay, bisexual and other men who have sex with men attending sexual health clinics. HIV Medicine, 19(7), 485–490. https://doi.org/10.1111/hiv.12629
   Web of Science ®Google Scholar
• Palamar, J. J., Griffin-Tomas, M., Acosta, P., Ompad, D. C., & Cleland, C. M. (2018). A comparison of self-reported sexual effects of alcohol, marijuana, and ecstasy in a sample of young adult nightlife attendees. Psychology and Sexuality, 9(1), 54–68. Scopus. https://doi.org/10.1080/19419899.2018.1425220
   PubMed Web of Science ®Google Scholar
• Parkes, A., Waltenberger, M., Mercer, C., Johnson, A., Wellings, K., & Mitchell, K. (2020). Latent class analysis of sexual health markers among men and women participating in a British probability sample survey. BMC Public Health, 20(1), 14. https://doi.org/10.1186/s12889-019-7959-7
   PubMed Web of Science ®Google Scholar
• Patel, E. U., White, J. L., Gaydos, C. A., Quinn, T. C., Mehta, S. H., & Tobian, A. A. R. (2020). Marijuana use, sexual behaviors, and prevalent sexually transmitted infections among sexually experienced males and females in the united states: findings from the national health and nutrition examination surveys. Sexually Transmitted Diseases, 47(10), 672–678. https://doi.org/10.1097/OLQ.0000000000001229
   PubMed Web of Science ®Google Scholar
• Pituch, K. A., & Stevens, J. P. (2016). Applied Multivariate Statistics for the Social Sciences. 6th edn.
   Google Scholar
• Race, K. (2017). Thinking with pleasure: Experimenting with drugs and drug research. The International Journal on Drug Policy, 49, 144–149. https://doi.org/10.1016/j.drugpo.2017.07.019
   PubMed Web of Science ®Google Scholar
• Ralphs, R., & Gray, P. (2018). New psychoactive substances: New service provider challenges. Drugs-Education Prevention and Policy, 25(4), 301–312. https://doi.org/10.1080/09687637.2017.1417352
   Web of Science ®Google Scholar
• Rosenberger, C., Gertzen, M., Strasburger, M., Schwarz, J., Gernun, S., Rabenstein, A., Lermer, E., & Rüther, T. (2021). We have a lot to do: lack of sexual protection and information—results of the German-language online survey “let’s talk about Chemsex. Frontiers in Psychiatry, 12, 690242. https://doi.org/10.3389/fpsyt.2021.690242
   PubMed Web of Science ®Google Scholar
• Santoro, P., Rodríguez, R., Morales, P., Morano, A., & Morán, M. (2020). One ‘chemsex’ or many? Types of chemsex sessions among gay and other men who have sex with men in Madrid, Spain: findings from a qualitative study. The International Journal on Drug Policy, 82, 102790. https://doi.org/10.1016/j.drugpo.2020.102790
   PubMed Web of Science ®Google Scholar
• Schecke, H., Lea, T., Bohn, A., Köhler, T., Sander, D., Scherbaum, N., & Deimel, D. (2019). Crystal methamphetamine use in sexual settings among German men who have sex with men. Frontiers in Psychiatry, 10, 886. https://doi.org/10.3389/fpsyt.2019.00886
   PubMed Web of Science ®Google Scholar
• Schumacher, A., Marzell, M., Toepp, A. J., & Schweizer, M. L. (2018). Association between marijuana use and condom use: A meta-analysis of between-subject event-based studies. Journal of Studies on Alcohol and Drugs, 79(3), 361–369. https://doi.org/10.15288/jsad.2018.79.361
   PubMed Web of Science ®Google Scholar
• Stevens, O., Moncrieff, M., & Gafos, M. (2020). Chemsex-related drug use and its association with health outcomes in men who have sex with men: A cross-sectional analysis of antidote clinic service data. Sexually Transmitted Infections, 96(2), 124–130. https://doi.org/10.1136/sextrans-2019-054040
   PubMed Web of Science ®Google Scholar
• Stuart, D. (2019). Chemsex: Origins of the word, a history of the phenomenon and a respect to the culture. Drugs and Alcohol Today, 19(1), 3–10. https://doi.org/10.1108/DAT-10-2018-0058
   Web of Science ®Google Scholar
• Vaccher, S. J., Hammoud, M. A., Bourne, A., Lea, T., Haire, B. G., Holt, M., Saxton, P., Mackie, B., Badge, J., Jin, F., Maher, L., & Prestage, G. (2020). Prevalence, frequency, and motivations for alkyl nitrite use among gay, bisexual and other men who have sex with men in Australia. The International Journal on Drug Policy, 76, 102659. https://doi.org/10.1016/j.drugpo.2019.102659
   PubMed Web of Science ®Google Scholar
• Weber, P., Gredig, D., Lehner, A., & Nideröst, S. (2019). European MSM Internet Survey (EMIS-2017)
   Google Scholar