1. Department of Orthopedic Surgery, Borntouch Orthopaedic Clinic, Seoul, Korea
2. Department of Family Medicine, Sarang Clinic, Jinju, Korea
3. Department of Rehabilitation Medicine, Catholic University of Daegu School of Medicine, Daegu, Korea
4. Department of Rehabilitation Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Korea