1. Department of Pediatrics Faculty of Medicine University of Kinshasa Democratic Republic of the Congo
2. Center for Human Genetics Faculty of Medicine University of Kinshasa Democratic Republic of the Congo
3. Institut National de Recherche Biomédicale Democratic Republic of the Congo
4. Center for Human Genetics Catholic University of Leuven Belgium
5. Department of Medical Imaging Faculty of Medicine University of Kinshasa Democratic Republic of the Congo