1. Institute of Textiles and Clothing; The Hong Kong Polytechnic University; Hung Hom Hong Kong 999077 China
2. Smart Polymeric Materials Research Center for Biomedical Applications; Shenzhen Base; The Hong Kong Polytechnic University; Shen Zhen 518000 China
3. Department of Rehabilitation Sciences; The Hong Kong Polytechnic University; Hung Hom Hong Kong 999077 China
4. Division of Stem Cell and Tissue Engineering; State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy; West China Hospital, Sichuan University; Chengdu Sichuan 610000 China