1. Department of Orthopedics, First Affiliated Hospital, Chinese PLA General Hospital, Beijing 100048, China
2. Department of Clinical Lab of Nanlou, Chinese PLA General Hospital, Beijing 100853, China
3. State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing 102206, China
4. Institute of Geriatrics/Key Laboratory of Normal Aging and Geriatrics, Chinese PLA General Hospital, Beijing 100853, China