Acknowledgements
The author would like to thank Tünde Deák and Erika Karasz for their excellent laboratory assistance during the routine diagnostic work. M.G. was supported by the National Youth Excellence Scholarship [Grant Number NTP-NTFÖ-18-C-0225] and the ESCMID Mentorship and Observership Programme.
Ethical approval
This study was deemed exempt from ethics review by the Institutional Review Board and informed consent was not required as data anonymity was maintained.
Disclosure statement
The author declares no conflict of interest, monetary or otherwise.