1. Yonsei University College of Medicine and Cardiovascular Center, Yongin Severance Hospital
2. Bristol Heart Institute
3. Division of Biostatistics, Department of Biomedical Systems Informatics, Yonsei University College of Medicine
4. Severance Cardiovascular Hospital, Yonsei University Health System
5. Department of Cardiology, CHA Bundang Medical Centre, CHA University
6. Chonnam National University Hospital