1. Department of Tissue Engineering, Institute of Basic Medical Sciences and Tissue Engineering Research Center, Academy of Military Medical Sciences, Beijing, People's Republic of China.
2. Integrated Department of South Building of Chinese PLA General Hospital, Beijing, People's Republic of China.
3. Laboratory of Oncology, Affiliated Hospital of Academy of Military Medical Sciences, Beijing, People's Republic of China
4. Department of Surgery and Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, Georgia.