1. Department of Orthopedic Surgery, Korea University College of Medicine, Ansan Hospital, Ansan-si, Gyeongki-do, South Korea
2. Department of Dentistry, Catholic University College of Medicine, Eunpyeong St. Mary’s Hospital, Seoul, South Korea
3. Department of Dental Science, Graduate School, Chosun University, Gwangju, South Korea
4. Department of Anesthesiology and Pain Medicine, Korea University College of Medicine, Ansan Hospital Ansan-si, Gyeongki-do, South Korea
5. The Scripps Research Institute and Shiley Center for Orthopedic Research and Education, La Jolla, CA, USA