1. Department of Medical Education, National Taiwan University Hospital, Taiwan
2. Division of Cardiology, Department of Internal Medicine & Community Medicine Center, National Yang Ming Chiao Tung University Hospital, Yilan, Taiwan
3. Faculty of Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
4. Public Health Bureau, Yilan County, Taiwan
5. Department of Psychiatry & Center of Sleep Disorders, National Taiwan University Hospital, Taipei, Taiwan
6. School of Medicine, National Taiwan University College of Medicine, Taipei, Taiwan