1. Department of Cardiology, Severance Cardiovascular Hospital, Yonsei University Health System, Seoul, Korea
2. Department of Health Policy, Yonsei University College of Public Health, Seoul, Korea
3. Department of Preventive Medicine, School of Medicine, Yonsei University, Seoul, South Korea
4. Institute of Health Services Research, Yonsei University, Seoul, South Korea
5. Department of Nursing, Yonsei University Graduate School, Seoul, Korea