[1] Gamal Abdel Nasser Univ Conakry, Fac Hlth Sci & Tech, Dept Publ Hlth, Conakry, Guinea
[2] Gamal Abdel Nasser Univ, African Ctr Excellence Prevent & Control Communic, Fac Hlth Sci & Tech, Conakry, Guinea
[3] Gamal Abdel Nasser Univ Conakry, Dept Dermatol & Sexually Transmitted Infect, Fac Hlth Sci & Tech, Conakry, Guinea
[4] Minist Hlth, Natl Program Hlth Care & Prevent STIs HIV AIDS, Conakry, Guinea