1. Division of Hematology and Oncology, Department of MedicineVanderbilt UniversityNashville Tennessee
2. Academic Medical Center at the University of AmsterdamAmsterdam The Netherlands
3. Division of Hematology and Oncology, Department of Medicine and Department of Emergency MedicineMount Sinai HospitalNew York New York
4. Vanderbilt‐Meharry Sickle Cell Disease Center of Excellence, Department of Pediatrics, Vanderbilt University Medical CenterNashville Tennessee
5. Rodeghier ConsultantsChicago Illinois