Affiliation: | 1. Department of Orthopaedics and Traumatology, Nanfang Hospital, Southern Medical University, , Guangzhou, 510515 China;2. Department of Orthopaedic, Wuzhou Red Cross Hospital, , Guangxi, 543002 China;3. School of Engineering and Materials Science, Queen Mary University of London, Mile End, , London, E1 4NS UK |