[1] Nursesand MidwivesTraining Coll, Minist Hlth, POB 565, Tamale, Ghana
[2] Univ Padjadjaran, Fac Med, Dept Publ Hlth, Jl Eyckman 38 Pasteur, Bandung 40161, Indonesia
[3] Univ Hlth & Allied Sci, Fred N Binka Sch Publ Hlth, Dept Epidemiol & Biostat, Ho PMB 31, Hohoe, Ghana
[4] Coll Nursing & Midwifery, Res & Innovat Unit, POB 10, Nalerigu, Ghana
[5] Dehradun Inst Technol, Dept Populat Hlth Econ, Dehra Dun 248009, India
[6] Univ Dev Studies, Sch Nursing & Midwifery, Dept Midwifery & Womens Hlth, POB TL1350, Tamale, Ghana
[7] Univ Hlth & Allied Sci, Sch Med, Dept Obstet & Gynaecol, Ho PMB 31, Hohoe, Ghana
[8] Anglia Ruskin Univ, Sch Allied Hlth, Chelmsford CM1 1SQ, England
[9] Univ Dev Studies, Sch Publ Hlth, Dept Global & Int Hlth, POB TL1350, Tamale, Ghana