1. School of Clinical Medicine, The Affiliated Hospital, Southwest Medical University, Luzhou, China
2. Department of Gastroenterology, Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, China
3. Department of Health Management Center, The Affiliated Hospital, Southwest Medical University, Luzhou, China
4. Department of Gynecology, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China