1. Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, China.
2. Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China.
3. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.
4. Department of Ultrasound, The Third Hospital of Hebei Medical University, Shijiazhuang, China.
5. Department of Rehabilitation, The Third Hospital of Hebei Medical University, Shijiazhuang, China.
6. Hebei Medical University-National University of Ireland Galway Stem Cell Research Center, Hebei Medical University, Shijiazhuang, China.