1. University of Yaounde I, Yaounde, Cameroon
2. Central Hospital Yaounde, Yaounde, Cameroon
3. Chantal Biya Mother and Child Foundation, Yaounde, Cameroon
4. Gyneco-Obstetric Pediatric Hospital, Yaounde, Cameroon
5. Essos Hospital Centre, Yaounde, Cameroon
6. Panafrican University of Nairobi, Kenya
7. Cameroon Society of Perinatal Medicine, Cameroon