1. Department of Anaesthesiology and Pain Medicine; Gyeongsang National University Hospital; Institute of Health Sciences, Gyeongsang National University School of Medicine; Jinju Korea
2. Department of Anaesthesiology and Pain Medicine; Anaesthesia and Pain Research Institute; Yonsei University College of Medicine; Seoul Korea
3. Department of Pharmacology; Gyeongsang National University School of Medicine; Jinju Korea
4. Department of Anaesthesiology and Pain Medicine; Gyeongsang National University Hospital; Jinju Korea