1. Division of Cardiology, Yonsei Cardiovascular Center, Yonsei University College of Medicine
2. Dalio Institute of Cardiovascular Imaging, New York-Presbyterian Hospital and the Weill Cornell Medical College
3. Department of Imaging, Cedars Sinai Medical Center
4. Severance Executive Healthcare Clinic, Severance Hospital
5. Division of Cardiology, Department of Internal Medicine, Healthcare System Gangnam Center, Seoul National University Hospital
6. Division of Cardiology, Department of Medicine, Sungkyunkwan University School of Medicine, Heart Stroke and Vascular Institute, Samsung Medical Center