1. Department of Anesthesiology and Pain Medicine; Catholic Kwandong University International St. Mary's Hospital; Incheon Korea
2. Center for Medical Metrology; Korea Research Institute of Standards and Science (KRISS); Daejeon Korea
3. Center for Thermometry and Fluid Flow Metrology; Korea Research Institute of Standards and Science (KRISS); Daejeon Korea
4. Department of Anesthesiology and Pain Medicine, Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea
5. Department of Statistics; Ewha Womans University; Seoul Korea
6. New Drug Development Center; Osong Medical Innovation Foundation; Chungcheongbuk-do Korea
7. Department of Clinical Pharmacology and Therapeutics, Asan Medical Center; University of Ulsan College of Medicine; Seoul Korea