1. National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, People’s Republic of China
2. 3Bs Research Group, I3Bs Research Institute, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, AvePark 4805-017 Barco, Guimaraes, Portugal