1. Department of Epidemiology and Public Health, Foch Hospital , Suresnes, France
2. Department of Internal Medicine, Réseau Ville-Hôpital Val de Seine, Foch Hospital , Suresnes, France
3. Department of Infectious and Tropical Diseases, Edouard Herriot Hospital , Hospices Civils de Lyon, Lyon, France
4. Cemka , Bourg-la-Reine, France
5. Department of Social Medicine and Sexual Health, CHU Toulouse , Toulouse, France