1. School of Medicine, Southeast University, Nanjing 210009, China
2. Center for Stem Cell and Regenerative Medicine, Southeast University, Nanjing 210009, China
3. Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing 210096, China
4. China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou 310058, China
5. Nanjing University of Chinese Medicine, Nanjing 210023, China
6. Department of Integrative Medical Biology, Anatomy, Umeå University, Umeå SE-901 87, Sweden
7. Department of Community Medicine and Rehabilitation, Physiotherapy, Umeå University, Umeå SE-901 87, Sweden