1. Department of Psychology, Yonsei University, Seoul, Korea.
2. Division of Cardiology, School of Medicine, Ewha Womans University Mokdong Hospital, Seoul, Korea.
3. Department of Health Promotion Center, School of Medicine, Ewha Womans University Mokdong Hospital, Seoul, Korea.
4. Ewha Global Top 5 Project, School of Medicine, Ewha Womans University Mokdong Hospital, Seoul, Korea.