Affiliation: | 1. Department of Biomedical Engineering, Tianjin University, Nankai, Tianjin 300072, People''s Republic of China;2. Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong, China;3. Institute of Biomedical Engineering, Chinese Academy of Medical Science & Peking Union Medical College, Nankai, Tianjin 300192, China;4. Department of Radiology and Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, NC 27599, USA |