1. Zhongda Hospital Affiliated to Southeast University, Department of Gastroenterology, Nanjing, China
2. Zhenjiang Hospital Affiliated to Nanjing University of Chinese Medicine, Zhenjiang, China
3. Zhenjiang Traditional Chinese Medicine Spleen and Stomach Disease Clinical Medicine Research Center, Zhenjiang, China
4. Zhongda Hospital Affiliated to Southeast University, Department of Oncology, Nanjing, China