1. Department of Cardiology, Ulsan Medical Center, Ulsan, Korea.
2. Department of Cardiology, Peking University Shougang Hospital, Peking, China.
3. Department of Cardiology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.
4. Korean Genomics Center (KOGIC), Ulsan National Institute of Science and Technology (UNIST), Ulsan, Korea.
5. East Lancashire Hospitals NHS Trust, Blackburn, Lancashire, United Kingdom.
6. Department of Cardiology, Dong-A University Hospital, Busan, Korea.