1. Gastroenterology Department, The Second Affiliated Hospital of Gannan Medical University, Ganzhou, China
2. Department of Endocrinology and Metabolism, Ganzhou Hospital of Guangdong Provincial People's Hospital, Ganzhou Municipal Hospital, Ganzhou, China
3. General Surgery Department, The Second Affiliated Hospital of Gannan Medical University, Ganzhou, China
4. Department of Clinical Laboratory, The Second Affiliated Hospital of Gannan Medical University, Ganzhou, China