[1] Fed Minist Hlth, Dept Publ Hlth, Natl AIDS & STIs Control Programme, Abuja, Nigeria
[2] Cardiff Univ, Inst Primary Care & Publ Hlth, Cardiff, S Glam, Wales
[3] Natl Hlth Serv, Publ Hlth Directorate, Inverness, Scotland
[4] Obafemi Awolowo Univ, Dept Nursing, Ife, Osun State, Nigeria
[5] Univ Liverpool Liverpool Sch Trop Med, Liverpool, Merseyside, England
[6] Ctr Community Hlth Care, Res & Dev, Abuja, Nigeria
[7] Univ Coll Hosp, Dept Obstet & Gynaecol, Ibadan, Nigeria
[8] Univ Ibadan, Coll Med, Ibadan, Nigeria
[9] UNICEF, Hlth Sect, New York, NY USA