Omuse, Geoffrey
Maina, Daniel
Hoffman, Mariza
Mwangi, Jane
Wambua, Caroline
Kagotho, Elizabeth
Amayo, Angela
Ojwang, Peter
Premji, Zulfiqarali
Ichihara, Kiyoshi
Erasmus, Rajiv
Funding for this research was provided by:
University Research Council, Aga Khan University (1420088A)
South African Medical Research Council (004_94479, 94261)