1. Department of Burn and Plastic Surgery, Affiliated Hospital of Nantong University , Nantong, Jiangsu 226000 , P.R. China
2. Nantong University Medical School , Nantong, Jiangsu 226000 , P.R. China
3. Nanjing Drum Tower Hospital Group Suqian Hospital , Suqian, Jiangsu 223800 , P.R. China