Central Cardiology, Bakersfield, California, United States
Medstar Washington Hospital Center, Washington, District of Columbia, United States
University of Illinois, Chicago, Illinois, United States
Apollo Hospitals, Chennai, Tamil Nadu, India
Hospital Sultanah Aminah, Johor Bahru, Johor Bahru, Johor, Malaysia
Hospital Pakar Sultanah Fatimah, Muar, Johor, Malaysia
Foothills Medical Centre, Calgary, Alberta, Canada
University of Alberta Hospital, Edmonton, Alberta, Canada
Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Canada
Children's Cardiac Center - Ukraine, Kyiv, Ukraine
Manmohan Cardiothoracic Vascular and Transplant Center, Kathmandu, Nepal
King Abdulaziz University Hospital, Jeddah, Makkah, Saudi Arabia
St. Joseph's Healthcare, Hamilton, Ontario, Canada
Cleveland Clinic, Cleveland, Ohio, United States
Juravinski Hospital, Hamilton, Ontario, Canada
Hamilton General Hospital, Hamilton, Ontario, Canada
Victoria Cardiac Arrhythmia Trials Inc., Victoria, British Columbia, Canada
St. Paul's Hospital, Vancouver, British Columbia, Canada
Southlake Regional Health Centre, Newmarket, Ontario, Canada
Beni Suef University Hospital, Banī Suwayf, Egypt
Zagazig University Hospital, Zagazig, Egypt
King George's Medical College, Lucknow, Uttar Pradesh, India