[1] Innovat Publ Hlth & Dev Solut, Harare, Zimbabwe
[2] Univ Zimbabwe, Fac Med & Hlth Sci, Unit Obstet & Gynaecol, Harare, Zimbabwe
[3] Univ Portsmouth, Sch Pharm & Biomed Sci, Portsmouth, England
[4] Univ Eswatini, Fac Sci & Engn, Dept Comp Sci, Manzini, Eswatini
[5] Univ Zimbabwe, Fac Sci, Dept Biol Sci & Ecol, Harare, Zimbabwe
[6] Univ Pretoria, Sch Hlth Syst & Publ Hlth, Pretoria, South Africa
[7] Univ Cincinnati, Digital Epidemiol Lab, Cincinnati, OH USA
[8] Univ KwaZulu Natal, Dept Publ Hlth Med, Durban, South Africa
[9] Natl AIDS Council, Harare, Zimbabwe