References
- Renton AE, Chiò A, Traynor BJ. State of play in amyotrophic lateral sclerosis genetics. Nat Neurosci. 2014;17:17–23.
- Chiò A, Mora G, Calvo A, Mazzini L, Bottacchi E, Mutani R, et al. Epidemiology of ALS in Italy: a 10-years prospective population based study. Neurology. 2009;72:725–31.
- Chiò A, Logroscino G, Traynor BJ, Collins J, Simeone JC, Goldstein LA, et al. Global epidemiology of amyotrophic lateral sclerosis: a systematic review of the published literature. Neuroepidemiology. 2013;41:118–30.
- Bandettini di Poggio M, Sormani MP, Truffelli R, Mandich P, Origone P, Verdiani S, et al. Clinical epidemiology of ALS in Liguria, Italy. Amyotroph Lateral Scler Frontotemporal Degener. 2013;14:52–7.
- Brooks BR, Miller RG, Swash M, Munsat TL. El Escorial revisited: revised criteria for the diagnosis of amyotrophic lateral sclerosis. Amyotroph Lateral Scler Other Motor Neuron Disord. 2000;1:293–9.
- Woodward M. Epidemiology: study design and data analysis. Boca Raton: Chapman and Hall/CRC Press; 1999. pp 159–67.
- Logroscino G, Beghi E, Zoccolella S, Palagano R, Fraddosio A, Simone IL, et al. Incidence of amyotrophic lateral sclerosis in southern Italy: a population based study. J Neurol Neurosurg Psychiatry. 2005;76:1094–8.
- Beghi E, Millul A, Micheli A, Vitelli E, Logroscino G; SLALOM Group. Incidence of amyotrophic lateral sclerosis in Lombardy, Italy. Neurology. 2007;68:141–5.
- Ragonese P, Cellura E, Aridon P, D’Amelio M, Spataro R, Taiello AC, et al. Incidence of amyotrophic lateral sclerosis in Sicily: a population based study. Amyotroph Lateral Scler. 2012;13:284–7.
- Mandrioli J, Biguzzi S, Guidi C, Venturini E, Sette E, Terlizzi E, et al. Epidemiology of amyotrophic lateral sclerosis in Emilia Romagna Region (Italy): a population based study. Amyotroph Lateral Scler Frontotemporal Degener. 2014;15:262–8.
- Schoemberg BS. Calculating confidence intervals for rates and ratios. Neuroepidemiology. 1983;2:257–65.
- Yeo L, Lynch C, Hardiman O. Validating population-based registers for ALS: how accurate is death certification? J Neurol. 2010;257:1235–9.
- Chiò A, Mora G, Leone M, Mazzini L, Cocito D, Giordana MT, et al. Early symptom progression rate is related to ALS outcome: a prospective population-based study. Neurology. 2002;59:99–103.
- Pupillo E, Messina P, Logroscino G, Beghi E; SLALOM Group. Long-term survival in amyotrophic lateral sclerosis: a population based study. Ann Neurol. 2014;75:287–97.