Godwin Choga, Department of Primary Health Care Sciences, Family Medicine, Global and Public Health Unit. University of Zimbabwe, Harare, Zimbabwe 
O Mugurungi,  National AIDS and TB Program, Mukwati Building, Harare, Zimbabwe.
G Shambira, Department of Primary Health Care Sciences, Family Medicine, Global and Public Health Unit. University of Zimbabwe, Harare, Zimbabwe 
A Chadambuka, Department of Primary Health Care Sciences, Family Medicine, Global and Public Health Unit. University of Zimbabwe, Harare, Zimbabwe 
TP Juru, Department of Primary Health Care Sciences, Family Medicine, Global and Public Health Unit. University of Zimbabwe, Harare, Zimbabwe 
NT Gombe Department of Primary Health Care Sciences, Family Medicine, Global and Public Health Unit. University of Zimbabwe, Harare, Zimbabwe and Africa Field Epidemiology Training Network, Harare, Zimbabwe
M Tshimanga Department of Primary Health Care Sciences, Family Medicine, Global and Public Health Unit. University of Zimbabwe, Harare, Zimbabwe

