1. UFR d'Odontologie; University of Bordeaux; Bordeaux France
2. Equipe VIH et Santé Globale; INSERM U897; Bordeaux France
3. UFR d'Odontostomatologie; Félix Houphouët Boigny University of Abidjan; Abidjan Côte d'Ivoire
4. Department of Health Care; Universidad Autónoma Metropolitana-Xochimilco; México City Mexico
5. Department of Stomatology; School of Dentistry; University of Sao Paulo; Sao Paulo Brazil
6. School of Dentistry; University of California; San Francisco CA USA
7. School of Dentistry; University of Utah; Salt Lake City UT USA