1. Fontem District Hospital, Fontem, Cameroon
2. Health and Human Development (2HD) Research Network, Douala, Cameroon
3. Grace Community Health and Development Association (GRACHADA), Kumba, Cameroon
4. Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
5. Faculty of Health Sciences, University of Buea, Buea, Cameroon
6. Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
7. Ndop District Hospital, Ndop, Cameroon
8. Mankon Sub-Divisional Hospital, Bamenda, Cameroon