[1] Prince Wales Hosp CUHK, Hong Kong, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Dept Orthopaed & Traumatol, Hong Kong, Hong Kong, Peoples R China
[3] Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
[4] Chinese Acad Sci, China Translat Med R&D Ctr, Inst Biomed & Hlth Engn, Shenzhen Inst Adv Technol, Shenzhen, Peoples R China