1. Faculty of Medicine, University of Goma, Goma, Democratic Republic of the Congo
2. Clinique Internationnale de Medecine Avancee au Kivu, Goma, Democratic Republic of the Congo
3. Institut Supérieur des Techniques Médicales de Lubumbashi, Lubumbashi, Democratic Republic of the Congo
4. Faculty of Medicine, University of Lubumbashi, Lubumbashi, Democratic Republic of the Congo
5. Faculty of Medicine, University of Kisangani, Kisangani, Democratic Republic of the Congo