1. Center of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, The Third People's Hospital of Chengdu Affiliated Hospital of Southwest Jiaotong University Chengdu China
2. Department of Traumatology Tongren People's Hospital Tongren China
3. Plastic Surgery Department Xi'an International Medical Center Hospital Xi'an China
4. Medical Research Center, The Third People's Hospital of Chengdu Affiliated Hospital of Southwest Jiaotong University Chengdu China