1 Department of Orthopedic Surgery, National Defense Medical Center, Tri-Service General Hospital, #325, Section 2, Chenggung Road, Neihu 114, Taipei, Taiwan.
2 Department of Orthopedic Surgery, National Defense Medical Center, Tri-Service General Hospital, #325, Section 2, Chenggung Road, Neihu 114, Taipei, Taiwan; Department of Orthopedic Surgery, Hualien Armed Forces General Hospital, Taiwan; Department of Orthopedic Surgery, National Defense Medical Center, Tri-Service General Hospital Songshan Branch, Songshan, Taipei, Taiwan. Electronic address: rara540@gmail.com.