1. Sickle Cell Center, Division of Hematology & Oncology University of Illinois Chicago Chicago Illinois USA
2. Division of Nephrology University of Illinois Chicago Chicago Illinois USA
3. UNC Kidney Center, Division of Nephrology and Hypertension University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
4. Department of Pharmacy Practice University of Illinois Chicago Chicago Illinois USA
5. Department of Medicine Jesse Brown VA Medical Center Chicago Illinois USA