Owen Mugurungi, Ministry of Health and Child Care, AIDS and TB Unit, Harare, Zimbabwe, mugurungi@gmail.com 
Joconiah Chirenda, The University of Zimbabwe, Family Medicine, Global and Public health Unit, Department of Primary Health-care Sciences, Harare, Zimbabwe, joconiahc@gmail.com 
Kudakwashe Takarinda, Organisation for Public Health Interventions and Development (OPHID), Harare, Zimbabwe, kctakarinda@gmail.com 
Mufuta Tshimanga, The University of Zimbabwe, Family Medicine, Global and Public health Unit, Department of Primary Health-care Sciences, Harare, Zimbabwe, tshimangamufuta@gmail.com