1. Stem Cell Clinical Research Center, National Joint Engineering Laboratory, Regenerative Medicine Center, The First Affiliated Hospital of Dalian Medical University, No. 193, Lianhe Road, Shahekou District, Dalian 116011, China
2. Department of Biotechnology, College of Basic Medical Science, Dalian Medical University, Dalian 116044, China
3. Department of Biochemistry and Molecular Biology, College of Basic Medicine, Dalian Medical University, Dalian 116044, China