1. Department of Emergency Medicine, Division of Sports Medicine, Warren Alpert Medical School of Brown University, Providence, RI, USA
2. Department of Pediatric Surgery, Massachusetts General Hospital, Boston, MA, USA
3. Department of Cardiology, Warren Alpert Medical School of Brown University, Fellow, Providence, RI, USA
4. University of Washington, Department of Family Medicine, Center for Sports Cardiology, Seattle, WA, USA
5. Department of Cardiology, Warren Alpert Medical School of Brown University, Providence, RI, USA