1. Division of Geriatric Medicine & Gerontology, Department of Internal Medicine, Mayo Clinic, Rochester, MN 55905
2. Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905
3. Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, 310030 Hangzhou, China
4. Orthopaedics Department, Shanghai Sixth People’s Hospital, Shanghai Jiaotong University, 200240 Shanghai, China
5. Department of Biochemistry and Molecular Biology, Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN 55905