1. Department of Pediatrics, Faculty of Medicine and Pharmacy, University of Kisangani, Kisangani, Democratic Republic of the Congo
2. Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Kisangani, Kisangani, Democratic Republic of the Congo
3. Department of Pediatrics, Faculty of Medicine, University of Liege, Liege, Beligium
4. Department of Internal Medicine, Faculty of Medicine and Pharmacy, University of Kisangani, Kisangani, Democratic Republic of the Congo
5. Laboratory of Analytical Pharmaceutical Chemistry, Faculty of Medicine, University of Liege, Liege, Belgium
6. Biochemical Genetics Laboratory, Human Genetics, CHU of Liege, University of Liège, Liege, Belgium