1. Department of Orthopaedic Surgery Shanghai East Hospital Tongji University School of Medicine Shanghai China
2. Department of Orthopedics Changzhou No. 2 People’s Hospital Changzhou China
3. Division of Geriatric Medicine & Gerontology Department of Internal Medicine Mayo Clinic Rochester MN USA
4. Department of Physiology and Biomedical Engineering Mayo Clinic Rochester MN USA
5. Department of Orthopedics Pinghu Second People’s Hospital Pinghu China