1. Department of Internal Medicine, Bucheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea
2. Department of Medicine, Comprehensive Hypertension Center, Section of Endocrinology, Diabetes, and Metabolism, University of Chicago Medicine
3. Cardiovascular Medicine, Hokko Memorial Clinic
4. Health Science University of Hokkaido
5. Department of Cardiology, Cardiovascular Center, Kyung Hee University Hospital at Gangdong
6. Department of Cardiovascular Medicine, Heart Center, Gachon University Gil Medical Center
7. Gachon Cardiovascular Research Institute