1. Department of Orthopedic Surgery, the First Hospital of Jilin University, Changchun, Jilin Province, China
2. Department of Orthopedic Surgery, School of Medicine, Kitasato University, Minami-ku, Sagamihara, Kanagawa, Japan
3. Department of Orthopedic Surgery, the Second Hospital of Jilin University, Changchun, Jilin Province, China
4. Department of Rehabilitation, School of Allied Health Sciences, Kitasato University, Minami-ku, Sagamihara, Kanagawa, Japan