1. Department of Anesthesiology and Pain Medicine, Asan Medical Centre; University of Ulsan College of Medicine; Seoul Republic of Korea
2. Division of Drug Safety Evaluation New Drug Development Center; Osong Medical Innovation Foundation; Chungju-si Chungbuk Republic of Korea
3. Department of Statistics; Ewha Women's University; Seoul Republic of Korea
4. Department of Clinical Pharmacology and Therapeutics, Asan Medical Centre; University of Ulsan College of Medicine; Seoul Republic of Korea