1. Department of Population Medicine Harvard Medical School and Harvard Pilgrim Health Care Institute Boston Massachusetts USA
2. Grand Strand Medical Center Myrtle Beach South Carolina USA
3. HCA Healthcare Nashville Tennessee USA
4. Department of Medicine Duke University Medical Center Durham North Carolina USA
5. Kaiser Permanente Honolulu Hawaii USA
6. University of California Riverside California USA
7. Brigham and Women's Hospital Adult Transfusion Service, Harvard Medical School Boston Boston Massachusetts USA
8. Rocky Vista University Parker Colorado USA
9. Health Information Systems Consulting Milton Massachusetts USA
10. Texas A&M University, Health Science Center, College of Medicine Bryan Texas USA