1. Department of Plastic Reconstructive and Aesthetic Surgery, West China Tianfu Hospital, Sichuan University , Chengdu 610213, China
2. Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University , Chengdu 610041, China
3. National Engineering Research Center for Biomaterials, Sichuan University , Chengdu 610064, China
4. College of Biomedical Engineering, Sichuan University , Chengdu 610064, China
5. Department of Orthopedic Surgery, West China Hospital, West China School of Medicine, Sichuan University , Chengdu 610041, China
6. Department of Plastic and Reconstructive Surgery, University of Nebraska Medical Center, Nebraska 68588, USA