1. Department of Family Medicine, CHA Gumi Medical Center, CHA University School of Medicine, Gumi, Republic of Korea
2. Department of Statistics and Actuarial Science, Soongsil University, Seoul, Republic of Korea
3. Department of Medical Statistics, College of Medicine, Catholic University of Korea, Seoul, Republic of Korea
4. Department of Psychiatry, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Republic of Korea
5. Division of Rheumatology, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
6. Department of Family Medicine/Supportive Care Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
7. Department of Clinical Research Design and Evaluation, Samsung Advanced Institute for Health Science and Technology, Sungkyunkwan University, Seoul, Republic of Korea
8. Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
9. Department of Medical Humanities, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea