1. Center for Stem Cell and Tissue Engineering, School of Medicine, Zhejiang University, Hangzhou, China.
2. Department of Orthopedic Surgery, 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
3. Department of Sports Medicine, School of Medicine, Zhejiang University, Hangzhou, China.
4. Zhejiang Provincial Key Laboratory of Tissue Engineering and Regenerative Medicine, Hangzhou, China.
5. Zhejiang Xingyue Biotechnology Co. Ltd., Hangzhou, China.
6. Department of Biosystems Science and Engineering, ETH-Zurich, Zurich, Switzerland.