1. Institute of Basic Medical Sciences, School of Basic Medicine, Peking Union Medical College, Center of Excellence in Tissue Engineering, Chinese Academy of Medical Sciences, Beijing, People's Republic of China.
2. State Key Laboratory of Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China.
3. Department of Oncology, School of Basic Medicine, Peking Union Medical College, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, People's Republic of China.