1. School
of Biology and Basic Medical Sciences and Collaborative Innovation
Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, People’s Republic of China
2. National
Engineering Laboratory for Modern Silk, Soochow University, Suzhou 215123, People’s Republic of China
3. Department
of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou 215000, People’s Republic of China
4. Department
of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States