1. Department of Medicine Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania
2. Department of Biostatistics and Epidemiology and Informatics Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania
3. Department of Internal Medicine John H. Stroger Jr. Hospital of Cook County Chicago Illinois
4. Department of Radiology Tufts Medical Center Boston Massachusetts
5. Division of Hematology Department of Medicine Duke University Durham North Carolina
6. Department of Medicine McMaster University Hamilton Ontario Canada
7. Hematology Division Department of Medicine Houston Methodist Hospital Weill Cornell Medical College Houston Texas
8. Department of Pathology and Laboratory Medicine Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania
9. Department of Pediatrics Children's Hospital of Philadelphia Philadelphia Pennsylvania