[1] Univ Port Harcourt, Sch Publ Hlth, Port Harcourt, Nigeria
[2] Kaduna State Minist Hlth, Dept Publ Hlth, State AIDS & STIs Control Program, Kaduna, Nigeria
[3] Univ Lagos, Fac Pharm, Lagos, Nigeria
[4] Global Hlth Focus, Lagos, Nigeria
[5] Lagos State Univ, Lagos, Nigeria
[6] Univ Port Harcourt, Port Harcourt, Nigeria
[7] Ekiti State Minist Hlth, Dept Publ Hlth, State AIDS & STIs Control Program, Ekiti, Nigeria
[8] Clafiya, Lagos, Nigeria
[9] Kwara State Minist Hlth, Dept Publ Hlth, State AIDS & STIs Control Program, Kwara, Nigeria