1. Department of Internal Medicine, Haeundae Paik Hospital, Inje University College of Medicine
2. Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine
3. Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine
4. Department of Internal Medicine, Busan Paik Hospital, Inje University College of Medicine
5. Department of Pharmacology, Clinical Trial Center, Inje University College of Medicine
6. Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine
7. Department of Internal Medicine, Busan National University Hospital, Busan University College of Medicine