1. Department of Anesthesiology and Pain Medicine, Gyeongsang National University Changwon Hospital, Changwon-si, Republic of Korea
2. Department of Anesthesiology and Pain Medicine, Gyeongsang National University College of Medicine, Jinju-si, Republic of Korea
3. Department of Chemistry, University of Helsinki, Helsinki, Finland
4. Department of Anesthesiology and Pain Medicine, Gyeongsang National University College of Medicine, Gyeongsang National University Hospital, Jinju, Republic of Korea
5. Institute of Medical Science, Gyeongsang National University, Jinju, Republic of Korea