| Affiliation: | 1. Department of Anaesthesiology and Pain Medicine, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, , Seoul, South Korea;2. Department of Anaesthesiology and Pain Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, , Seoul, South Korea;3. Department of Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, , Seoul, South Korea;4. The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, , Seoul, South Korea |
