1. Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
2. Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwasung, Korea
3. Department of Internal Medicine, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonbuk National Universi
4. Department of Internal Medicine, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Korea
5. Department of Internal Medicine, Dankook University Hospital, Dankook University College of Medicine, Cheonan, Korea
6. Department of Internal Medicine, Jeju National University Hospital, Jeju National University College of Medicine, Jeju, Korea
7. Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Cheonan, Korea
8. Department of Internal Medicine, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Korea
9. Department of Internal Medicine, Dongguk University Medical Center, Dongguk University College of Medicine, Goyang, Korea
10. Department of Internal Medicine, Asan Medical Center, Ulsan University College of Medicine, Seoul, Korea
11. Department of Internal Medicine, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
12. Department of Internal Medicine, Inje University Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea
13. Department of Internal Medicine, Inha University Hospital, Inha University College of Medicine,Incheon, Korea
14. Department of Internal Medicine, KyungHee University Medical Center, Kyung Hee University College of Medicine, Seoul, Korea
15. Division of Healthcare Technology Assessment Research, Office of Health Technology Assessment Research, National Evidence-based Healthcare Collaborating Agency, Seoul, Korea
16. Department of Internal Medicine, Daegu Catholic University Medical Center, Daegu Catholic University School of Medicine, Daegu, Korea
17. Department of Internal Medicine, Hanyang University Medical Center, Hanyang University College of Medicine, Seoul, Korea
18. Department of Internal Medicine, Chosun University Hospital, Chosun University College of Medicine, Gwangju, Korea
19. Department of Internal Medicine, Cha University Bundang Medical Center, Cha University, Seongnam, Korea