1. Janssen Infectious Diseases BVBA; Beerse Belgium
2. ANRS/INSERM; UPMC University of Paris 06; UMR_S 1136; The Pierre Louis Institute of Epidemiology and Public Health; F-75013; University of Sorbonne; Paris France
3. Tor Vergata University; Rome Italy
4. St Stephen's Centre; Chelsea & Westminster Hospital; London UK
5. EuroSIDA; Copenhagen Denmark
6. Informa s.r.l.; EuResist Network GEIE; Rome Italy
7. Institute of Virology; EUResist Network GEIE; University of Cologne; Cologne Germany
8. Karolinska Institute; EUResist Network GEIE; Stockholm Sweden
9. Fight Against AIDS Foundation; Barcelona Spain
10. Swiss HIV Cohort Study; Division of Infectious Diseases and Hospital Epidemiology; University Hospital Zürich; University of Zürich; Zürich Switzerland