1 School of Medicine and Pharmacy, Department of Primary Health Care, University of Rwanda, Kigali, PO Box 4285, Rwanda; Department of Public Health, Center for Global Health, Aarhus University, Aarhus, Denmark. Electronic address: cukalvin@ph.au.dk.
2 Department of Public Health, Center for Global Health, Aarhus University, Aarhus, Denmark.
3 School of Medicine and Pharmacy, Department of Primary Health Care, University of Rwanda, Kigali, PO Box 4285, Rwanda; Department of Public Health, Center for Global Health, Aarhus University, Aarhus, Denmark.
4 School of Medicine and Pharmacy, Department of Primary Health Care, University of Rwanda, Kigali, PO Box 4285, Rwanda; Research Unit INSIDE, Institute for Health and Behaviour, University of Luxembourg, Esch-sur-Alzette, Luxembourg.