1Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki University Hospital, Japan
2Watanabe Orthopedic Clinic, Nagasaki University Hospital, Japan
3Nagasaki Yurino Hospital, Nagasaki University Hospital, Japan
4Juko Memorial Nagasaki Hospital, Nagasaki University Hospital, Japan
5Furukawa Orthopedic Clinic, Nagasaki University Hospital, Japan
6Kondo Orthopedic Clinic, Nagasaki University Hospital, Japan
7Clinical Research Center, Nagasaki University Hospital, Japan