1. Tinsley Harrison Internal Medicine Residency Program, University of Alabama at Birmingham (UAB), Birmingham, AL, USA
2. Division of Maternal-Fetal Medicine, UAB Department of Obstetrics and Gynecology, Birmingham, AL, USA
3. Division of Cardiothoracic Surgery, UAB Department of Surgery, Birmingham, AL, USA
4. Division of Cardiovascular Disease, UAB Department of Medicine, Birmingham, AL, USA
5. Division of Pulmonary, Allergy, and Critical Care Medicine, UAB Department of Medicine, Birmingham, AL, USA
6. UAB Department of Mechanical Circulatory Support, Birmingham, AL, USA
7. Division of Cardiovascular Disease, University of Washington, Seattle, WA, USA