1. Mankon Sub-divisional Hospital, Bamenda, Northwest Region, Cameroon
2. Ibal Sub-Divisional Hospital, Oku, Northwest Region, Cameroon
3. Doctors without Borders-French Section (MSF-F), Calais, 8 rue Saint Sabin, Paris, France
4. Faculty of Health Sciences, University of Bamenda, Bambili, Northwest Region, Cameroon
5. Center for Global Health and Tropical Medicine, Nuffield Department of Medicine, University of Oxford, Oxfordshire, UK
6. Health and Human Development Research Group (2HD), Douala, Cameroon