1. Department of Medical Imagery University of Goma, Goma, Democratic Republic of the Congo,
2. Department of Internal Medicine, University of Goma, Goma, Democratic Republic of the Congo,
3. Department of Maternal and Child Health, High Institute of Medical Techniques of Lubumbashi, Lubumbashi, Democratic Republic of the Congo,
4. Department of Pediatrics, University of Lubumbashi, Lubumbashi, Democratic Republic of the Congo,
5. Department of Internal Medicine, University of Kisangani, Kisangani, Democratic Republic of the Congo,