1. Ifakara Health Institute (IHI); Bagamoyo Research and Training Center (BRTC); PO Box 74 Bagamoyo Tanzania
2. Swiss Tropical and Public Health Institute; Basel Switzerland
3. University of Basel; Basel Switzerland
4. Liverpool School of Tropical Medicine; Department of Clinical Sciences; Pembroke Place Liverpool UK L3 5QA
5. Liverpool School of Tropical Medicine; Department of International Public Health; Pembroke Place Liverpool UK L3 5QA
6. Ifakara Health Institute (IHI); Impact Evaluation, Health Systems Interventions & Policy Translation; PO Box 78373 Dar es Salaam Tanzania