1. Department of Pediatrics, Division of Hematology/Oncology; Vanderbilt-Meharry Center for Excellence in Sickle Cell Disease, Vanderbilt University Medical Center; Nashville Tennessee
2. Rodeghier Consultants; Chicago Illinois
3. Department of Pediatrics, Division of Pediatric Pulmonary, Allergy/Immunology and Sleep; University Hospitals-Cleveland Medical Center, Rainbow Babies and Children's Hospitals; Cleveland Ohio