1. Institute of Organ Transplantation, the 309th Hospital of Chinese People's Liberation Army; Beijing China
2. Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University; Chongqing China
3. Department of Burn and Plastic Surgery; 175th Hospital of the Chinese People's Liberation Army; Zhangzhou China
4. Department of General Surgery; First Hospital of Shijiazhuang City; Shijiazhuang City China