1. Department of Plastic and Reconstructive Surgery, Second Affiliated Hospital of Naval Medical University (Shanghai Changzheng Hospital), Shanghai 200001 , China
2. Department of Plastic and Reconstructive Surgery of Shanghai East Hospital, School of Medicine, Tongji University, Shanghai 200120 , China
3. Department of Histology and Embryology, Naval Medical University, Shanghai 200433 , China
4. Shanghai Key Laboratory of Cell Engineering, Translational Medical Research Center, Naval Medical University, Shanghai 200433 , China
5. Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai 200092 , China