1. Department of Plastic Surgery, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, P.R. China
2. Department of Burns Surgery, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, P.R. China
3. Department of Plastic Surgery, No. 421 Hospital of Chinese PLA, Guangzhou, Guangdong 510318, P.R. China