1. Division of Hemato-oncology and Nephrology; Department of Pediatrics; University Hospital of Kinshasa; School of Medicine; University of Kinshasa; Kinshasa the Democratic Republic of Congo
2. School of Medicine; University of Kikwit; Kikwit the Democratic Republic of Congo
3. Division of Nephrology and Dialysis; Department of Internal Medicine; University Hospital of Kinshasa; School of Medicine; University of Kinshasa; Kinshasa the Democratic Republic of Congo