[1] Njala Univ, Sch Basic Sci, Dept Biol Sci, PMB, Freetown, Sierra Leone
[2] Univ New South Wales, Sch Populat Hlth, Sydney, NSW 2052, Australia
[3] Univ Hlth & Allied Sci, Fred N Binka Sch Publ Hlth, Dept Family & Community Hlth, Hohoe, Ghana
[4] Karolinska Inst, Dept Global Publ Hlth, Stockholm, Sweden
[5] Takoradi Tech Univ, Ctr Gender & Advocacy, POB 256, Takoradi, Ghana
[6] James Cook Univ, Coll Publ Hlth Med & Vet Sci, Townsville, QLD 4811, Australia
[7] REMS Consultancy Serv Ltd, Sekondi Takoradi, Western Region, Ghana
[8] Univ New South Wales Sydney, Sch Clin Med, Sydney, Australia