1. Division of Infectious Diseases ASST Papa Giovanni XXIII Bergamo Italy
2. Division of Infectious Diseases Luigi Sacco Hospital, ASST Fatebenefratelli Sacco Milan Italy
3. School of Clinical Medicine, Faculty of Health Science University of the Witwatersrand Johannesburg South Africa
4. Department of Infectious Diseases, Saint Louis Hospital University Paris Diderot Paris France
5. Unidad VIH Hospital Universitario 12 de Octubre, imas12, UCM Madrid Spain
6. St Pierre University Hospital Université Libre de Bruxelles Brussels Belgium
7. University Hospital Ghent Ghent Belgium
8. Infectious Diseases Hospital General Universitario Gregorio Marañón (IiSGM) Madrid Spain
9. Gilead Sciences Foster City California USA