1. Department of Burns and Cutaneous Surgery, Xijing Hospital, Air Force Medical University, 127 Changle West Road, Xi’an, Shaanxi 710032, China
2. Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Life Sciences, Northwest University, Xi’an, Shaanxi 710069, China
3. Department of Burn and Plastic Surgery, Shaanxi Provincial People’s Hospital, 256 Youyi West Road, Beilin District, Xi’an, Shaanxi 710068, China