The work was supported by grants from the National Natural Science Foundation of China (81373140), the 2014 Key Program of Logistics Scientific Research of the PLA (BWS14J048), the Natural Science Foundation of Beijing (7171009) and the Clinical application research of Beijing Municipal Science & Technology Commission (Z171100001017146). We acknowledge the important contributions of the following whole-hearted cooperation of the research coordinators and data coordinating center staff in 106 hospitals of mainland China involved in this study: Guangming Han, from Department of Burn and Plastic Surgery, Huaibei Miner's General Hospital; Guanghuai Cui, from Department of Plastic and burn Surgery, The Affiliated Hospital of Binzhou Medical University; Xiaoyan Xiang, from Department of Burn, The Affiliated Hospital of North Sichuan Medical College; Zhiqiang Yuan, from Burns and Combined Injury, Institute of Burn Research, Southwest Hospital, the Third Military Medical University; Yuqing Wen, from Department of Burns, Fujian Medical University Union Hospital; Mingzhi Chen, from Department of Burn, Pingliang City People's Hospital; Yudong Feng, from Department of Burn, the First People's Hospital of Shunde; Ruixiao Huang, from Department of burn injury, Pengpai memory hospital; Yongsheng Dong, from Department of Burn and Plastic Surgery, the People's Hospital of Maoning; Xiaodong Huang, from Department of the Fourth Surgery, Peopl's Hospital of Chenghai District in Shantou City of Guangdong Province; Riqiang Wu, from Department of Burn and Plastic Surgery, Yunfu People's Hospital; Qiang Zhou, from Department of Surgery, Zhaogin First Municipal Hospital; Zhijun Luo, from Department of Plastic and Aesthetic Surgery, Affiliated Zhongshan Hospital of Sun Yat-sen University; Baiqiu Chen, from Department of Burn Surgery, Houjie Hospital; Wenlun Liao, from Department of Burn, Hezhou People's Hospital; Jiabao Shou, from Department Of Plastic surgery, The First Hospital of Guangxi Medical University; Wei Wu, from Department of Burn Surgery, The Second Affiliated Hospital of GuiZhou Medical University; Xiaolin Zhang, from Department of Burn and Plastic Surgery, Bijie First Municipal People's Hospital; Hong Ge, from Department of Burn and Plastic Surgery, Shuigang Hospital; Xiangbai Ye, from Department of Burn and Plastic Surgery, Navy General Hospital; Xiaoli Shu, from Department of Burn and Plastic Surgery, HanDan Central Hospital; Shengyi Yang, from Department of Burn and Plastic Surgery, Harrison International Peace Hospital; Peng Zhao, from Department of Burn and Plastic Surgery, the fifth Hospital of Xingtai city; Qingfu Zhang, from Department of Burns and Plastic Surgery, the First Affiliated Hospital of Hebei Medical University; Hongxu Zu, from Department of Burns, The First Affiliated Hospital of Henan University of Science and Technology; Guanghua Wang, from Department of Burns and Plastic Surgery, The First People's Hospital of Gongyi; Huaqiang Li, from Department of Bum and Plastic Surgery, the Frist Hospital of Kaifeng; Xiangye Liu, from Department of Burns, NanYang Central Hospital; Shengyu Zhao, from Department of Burns, The Oil Field General Hospital of Daqing; Zhihui Jiao, from Department of Burns, the First Hospital of SuiHua; Shengqiang Fan, from Department of Burn in Huanggang Municipality TCM Hospital; Weidong Yin, from Department of Bum and Plastic Surgery, Jinmen Second People's Hospital; Xisheng Xu, from Department of Bum and Plastic Surgery, Chenzhou No.1 People's Hospital; Hailong Lin, Burns and Plastic Surgery, the General Hospital of Jilin Chemical Group Corporation; Huidong Bian, Mingrui Chen, from Department of Burn and Plastic Surgery, General Hospital of Jinan Military Region; Ying Li, from Department of Burns and Plastic Surgery, Affiliated Hospital of Jining Medical College; Ye Yu, from Department if Burn and Plastic Surgery, Kunshan Hospital Affiliated to Jiangsu University, Kunshan First People's Hospital; Jianmin Yang, from Department of Burn and Plastic surgery, Bethune International Peace Hospital of PLA; Baijiang Tao, from Department of Burns, the Second Artillery General Hospital of PLA; Jinlong Guo, from Department of Burn surgery, No.148 Hospital of Chinese People's Liberation Army; Wenquan Jiang, from Department of Burns 153th Hospital of PLA; Wenjun Li, Guoan Lin, from Burn center, the 159th Hospital of PLA; Zhiren Song, from Department of Burns and Plastic Surgery, No.169 Hospital of PLA; Xinhe Zhang, from Department of Bum and Plastic Surgery, PLA No.174 Hospital; Jinhe Chen, from Department of Burns and Plastic Surgery, The 175th Hospital of People's Liberation Army; Yalin Tong, Zhenyu Gong, from Department of Burns and Plastic Surgery, the 181th Hospital of PLA; Jinwu Zhou, from Department of Burns and Plastic Surgery, the 187th Hospital of Chinese People's Liberation Army; Haijun Wang, from Department of Burns and Plastic Surgery, the 205th Hospital of PLA; Ning Ma, from Department of Bum & Plastic Surgery, No.208 Hospital of PLA; Xueyong Wang, from Department of Burn Surgery, the 209 Hospital of Chinese People's Liberation Army; Fangming Wang, from Department of Bum Surgery, the 209 Hospital of Chinese People's Liberation Army; Yiqun Wei, from Department of Bum Surgery, the PLA 457th Hospital; Yan Zhang, Department of Burns and Plastic Surgery, the 458 Hospital of PLA; Xingdong Cai, from Department 0f Burn and Plastic surgery, The 477th Hospital of PLA; Wendong Pan, from Department of Burns, The 59th Central Hospital of PLA; Liangxi Wang, from Department of Burn and Plastic Surgery, the No.97 Hospital of the People's Liberation Army; Henglin Hai, from Department of Burn and Plastic Surgery, 98 Hospital of PLA; Wenfeng Cheng, Chuan'an Shen, Dongxu Zhao, from Department of Burn and Plastic Surgery, Burn Institute, the First Hospital Affiliated to the PLA General Hospital; Yunbiao Shen, from Department of Burn and Plastic Surgery, Urumchi General Hospital of Lanzhou Command of PLA; Tiejun Lai, from Shenyang Fire Burns Specialist Hospital; Jiaxu Luo, from Department of Burn and Plastic Surgery, Yinkou Central Hospital; Hongyan Zhang, from Department of Burns, the First Affiliated Hospital of Nanchang University; Jiajin Tu, from Department of Burns, Ganzhou Municipal Hospital of Jiangxi Province; Jun Zheng, from Department of Burns and Plastic Surgery, the First Affiliated Hospital of the University of South China; Qian Tan, from Department of Plastic Surgery and Burns, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School; Dezheng Liu, from Department of Plastic Surgery and Burns, The Second Clinical Medical School of Inner Mongolia University For the Nationalities; Zhigang Wang, from Department of Burns and Plastics, the People's hospital of Wuhai inner Mongolia; Te Ba, from Department of Bums, the Third Affiliated Hospital of Inner Mongolia Medical College; Jianwu Hu, from Department of Plastic Surgery and Burns, The Second People's Hospital, Shijuishan City; Chuanji Li, Yinshan Li, from Department of Burns, the First People's Hospital of Shizhuishan; Mejia Zhuo, from Department of Bums, People's Hospital of Qinghai Province; Guodong Song, Department of Burns, Affiliated Jinan Central Hospital, Shandong; Tao Liu, from Department of Burns and Plastic Surgery, People's Hospital, Dezhou City; Yeben Wang, from The third Hospital of Jinan; Zhihua Wang, from Department of Burns and Plastic Surgery, Jining First People's Hospital; Juan Zheng, from Department of Burn and Plastic Surgery, Qingdao Municipal hospital; Chencun Li, from Burns department of Taishan Medical University Affiliated Hospital; Haiying Liu, from Department of Burn, Weifang People's Hospital Affiliated to Weifang Medical College; Chengchuan Wang, from General Hospital of Yankuang Group, Zoucheng City, Shandong Province; Jian Wang, from Department of Burn and Plastic Surgery, Houma City People's Hospital; Jianming Ma, from Department of Burn and Plastic Surgery, Linfen Fourth Hospital; Peng Duan, from Department of Burns, Burn Treatment Center of Shanxi Province, Tisco General Hospital; Xuefeng Guan, from Department of Burn and Plastic Surgery, Linfen Iron and Steel Worker Hospital of Shanxi Taiyuan Steel Group; Kaijun Huang, from Department of Burn and Plastic Surgery, First Hospital of Yangquan City; Zhongde Zhou, from Department of Burns, Second People's Hospital of Guangzhou City; Yaofeng Xi, from Department of Plastic Surgery and Burn, Baoji Central Hospital; Ming Li, from Department of Burn and Plastic Surgery, Yan'an University Affiliated Hospital; Wantong Li, from Department of Burn and Reconstructive Surgery, The General Hospital of Shenyang Military Command; Lu Ding, from Department of Burn and Plastic Surgery, Luhe Hospital of Tongzhou District of Beijing; Zhengjin Peng, from Depanment of Burn and Plastic Surgery, Miangyang People's Hospital; Wei Lin, from Zhixue, Department of Burns and Plastic Surgery, the First Affiliated Hospital of Soochow University; Shihai Feng, from Department of Burn and Plastic Surgery, the Fourth Hospital of Tianjin; Xiaobing Li, from Department of Bum and Plastic, First Center Hospital of Tianjin; Cai Lin, from Bum Department, The First Hospital of Wenzhou Medical College; Binyu Qin, from Department of Critical Care Medicine, Henan Province People's Hospital; Zhaoyang Dong, from Department of Burn, Shanghai Municipal Corps Hospital; Jing He, from Department of Bum and Plastic, The People's Hospital of Wenshan Prefecture; Jiyan Wu, from Department of Bum and Plastic Surgery, Hangzhou Burns Hospital; Xiaoen You, from the Sixth Affiliated Hospital of Wenzhou Medical College; Jianping Sun, from Department of Burn, Shaoxin Second Hospital; Bangchang Lin, from Department of Burns and Plastic Surgery, Taizhou Hospital of Zhejiang Province; Jun Li, from Department of Burn, Aviation Industry Corporation of China 364 Hospital; Fengwei Zhang, from Fushun Hospital of China Medical University Shengjing Hospital Group; Pihong Zhang, from Department of Burns and Reconstructive Surgery, Xiangya Hospital, Central South University; Shaohai Qi, from Department of Burns, First Affiliated Hospital, Sun Yat-sen University of Medical Sciences.
