[1] Univ Barcelona, Hosp Clin, Barcelona Inst Global Hlth ISGlobal, Barcelona, Spain
[2] Publ Hlth England, Natl Infect Serv, London, England
[3] Homerton Univ Hosp NHS Fdn Trust, Jonathan Mann Clin, London, England
[4] Univ Malta, Fac Hlth Sci, Dept Hlth Serv Management, Msida, Malta
[5] Hannover Med Sch, Dept Clin Immunol & Rheumatol, Hannover, Germany
[6] Univ Milan, Inst Infect & Trop Dis, Dept Hlth Sci, ASST Santi Paolo & VCarlo, Milan, Italy
[7] Publ Hlth Serv Amsterdam, Dept Infect Dis, Amsterdam, Netherlands
[8] Univ Amsterdam, Dept Infect Dis, Amsterdam UMC, Amsterdam Infect & Immun Inst, Amsterdam, Netherlands
[9] European Ctr Dis Prevent & Control, Solna, Sweden