1. Heart Failure and Heart Transplantation Program; Cardiovascular Institute, Hospital Clinic; Barcelona Spain
2. Department of Surgery; Scott & White Medical Center; Temple TX USA
3. Histocompatibility, Immunogenetics and Disease Profiling Laboratory; Department of Pathology; Stanford University Medical Center; Palo Alto CA USA
4. Division of Cardiovascular Medicine; Department of Medicine; Stanford University Medical Center; Palo Alto CA USA
5. Laboratory of Transplantation Genomics; National Institutes of Health; Bethesda MD USA