| Institution: | 2. VA Boston Healthcare System, Boston, Massachusetts;3. Tufts Medical Center, Boston, Massachusetts;1. Department of Surgery, University of California, San Francisco, San Francisco, California;2. Department of Bioengineering, University of California, San Francisco, San Francisco, California;3. School of Medicine, University of California, San Francisco, San Francisco, California;4. Veterans Affairs Medical Center, San Francisco, California;5. Department of Cardiothoracic Surgery, New York University, New York, New York;6. New York Harbor Veterans Affairs Medical Center, New York, New York;2. Department of Cardiology, Aarhus University Hospital Skejby, Aarhus, Denmark;3. Department of Cardiology, Odense University Hospital, Odense, Denmark;4. Department of Cardiology, Gentofte Hospital, Copenhagen University Hospital, Copenhagen, Denmark;5. Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark |
