1. Department of Pathology and Laboratory Medicine David Geffen School of Medicine University of California Los Angeles California USA
2. Immucor, Inc. Norcross Georgia USA
3. Department of Medicine Division of Cardiology David Geffen School of Medicine University of California Los Angeles Los Angeles California USA
4. Cardiovascular Center of Puerto Rico and the Caribbean Transplant Program Carolina Puerto Rico USA
5. Houston Methodist Hospital Research Institution Houston Texas USA
6. Tufts Medical Center Boston Massachusetts USA
7. Drexel University College of Medicine Philadelphia Pennsylvania USA
8. Cedars‐Sinai Heart Institute Los Angeles California USA
9. Department of Cardiovascular Medicine Cleveland Clinic Cleveland Ohio USA
10. Intermountain Medical Center Salt Lake City Utah USA
11. Division of Cardiology Department of Medicine Medical University of South Carolina Charleston South Carolina USA
12. Department of Medicine Washington University St. Louis Missouri USA