1. Department of Gastrointestinal Surgery, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, People's Republic of China
2. Departments of Pediatrics, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
3. Departments of Laboratory, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
4. Departments of General Surgical Laboratory, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
5. Departments of Hepatobiliary Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
6. Animal Center, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
7. Department of Gastrointestinal, Hernia and Abdominal Surgery, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China