1. Department of Internal Medicine; Hallym University Dongtan Sacred Heart Hospital; Hwaseong-si Republic of Korea
2. Department of Internal Medicine, Kangbuk Samsung Hospital; Sungkyunkwan University School of Medicine; Seoul Republic of Korea
3. Data Management and Clinical Statistics Team, Dong-A ST; Seoul Republic of Korea
4. Department of Internal Medicine; Eulji University College of Medicine; Daejeon, Republic of Korea
5. Department of Internal Medicine, College of Medicine; Hanyang University; Seoul Republic of Korea
6. Department of Internal Medicine; Yonsei University Wonju College of Medicine; Wonju Republic of Korea
7. Department of Internal Medicine, College of Medicine; The Catholic University of Korea; Seoul South Korea
8. Department of Internal Medicine; Soonchunhyang University College of Medicine; Bucheon-si Republic of Korea
9. Department of Internal Medicine, College of Medicine; Seoul National University; Seoul Republic of Korea