1. Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Center of Excellence in Tissue Engineering, Chinese Academy of Medical Sciences; Beijing Key Laboratory of New Drug Development and Clinical Trial of Stem Cell Therapy (BZ0381), P.R. China
2. College of Basic Medicine, Shaanxi University of Chinese Medicine, Xianyang, P.R. China
3. Department of Cell Biology, School of Life Sciences, Shanghai University, Shanghai, P.R. China