1. Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
2. Biotherapy Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
3. Department of Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
4. The Medical Examination Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
5. Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China