1. Department of Information Statistics and RINS, Gyeongsang National University, Jinju-si, Korea
2. Department of Anesthesiology and Pain Medicine, Gyeongsang National University College of Medicine, Gyeongsang National University Hospital, Jinju-si, Gyeongsangnam-do, Republic of Korea
3. Institute of Health Sciences, Gyeongsang National University, Jinju-si, Republic of Korea