1 Department of Cardiology, Ibrahim Cardiac Hospital and Research Institute, Dhaka, Bangladesh.
2 Division of Pediatric Cardiology, Rady Children's Hospital, University of California-San Diego, San Diego, California, USA.
3 Cardiac Arrhythmia Center, Division of Cardiology, VA Greater Los Angeles Healthcare System, University of California-Los Angeles, Los Angeles, California, USA.
4 Division of Cardiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA.
5 Emory Women's Heart Center, Emory University School of Medicine, Atlanta, Georgia, USA.
6 Bassett Medical Center, Cooperstown, New York, USA.
7 Department of Cardiology, St. Louis Heart and Vascular, St. Louis, Missouri, USA.