1. Department of Anatomy, School of medicine, Pusan National University, Yangsan, 50612, Republic of Korea
2. BEER, Busan society of Evidence-based mEdicine and Research, Busan 49241, Republic of Korea
3. Department of Statistics, Korea University, Seoul 02841, Republic of Korea
4. Department of Nuclear Medicine, Pusan National University Hospital, Busan 49241, Republic of Korea
5. Department of Orthopaedic Surgery, Pusan National University Hospital, Busan 49241, Republic of Korea
6. Biomedical Research Institute, Pusan National University Hospital and School of Medicine, Pusan National University, Busan 49241, Republic of Korea
7. Department of Pharmacology, School of medicine, Pusan National University, Yangsan, 50612, Republic of Korea
8. Department of Otorhinolaryngology-Head and Neck Surgery, Pusan National Hospital, Busan 49241, Republic of Korea