1 Department of Burns, Second Affiliated Hospital of College of Medicine, Zhejiang University, Hangzhou, China.
2 Department of orthopedics, Second Affiliated Hospital of Medical College, Binjiang Branch, Zhejiang University, Hangzhou, China.
3 Department of Burns, Second Affiliated Hospital of College of Medicine, Zhejiang University, Hangzhou, China. Electronic address: hanchunmao1@126.com.