1. hict, Brugge, Belgium
2. Department of Internal Medicine and Infectious Diseases, Ghent University Hospital, Gent, Belgium
3. Department of Infectious Diseases, CHU Saint-Pierre, Brussels, Belgium
4. Service of Internal Medicine, HIV Reference Centre, ULB – Hôpital Erasme, Brussels, Belgium
5. HIV and Sexual Health Unit, Department of Public Health, Institute of Tropical Medicine, Antwerp, Belgium
6. Epidemiology of Infectious Diseases Unit, Scientific Institute of Public Health (WIV-ISP), Brussels, Belgium
7. Faculty of Medicine and Health Science, Department of Public Health, Ghent University, Gent, Belgium