1. School of Biology and Biological Engineering National Engineering Research Center for Tissue Restoration and Reconstruction, and Guangdong Provincial Key Laboratory of Biomedical Engineering Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education South China University of Technology Guangzhou Guangdong 510006 P. R. China
2. Department of Radiology the Second Affiliated Hospital School of Medicine South China University of Technology Guangzhou Guangdong 510180 P. R. China
3. School of Biomedical Sciences and Engineering, and, South China University of Technology Guangzhou International Campus Guangzhou Guangdong 511442 P. R. China