1. Department of Gastroenterology, Yancheng First Peoples’ Hospital, Yancheng, Jiangsu, China;
2. Department of Nursing, Yancheng First Peoples' Hospital, Yancheng, Jiangsu, China;
3. Department of Nursing, Jiangsu Province Hospital of Traditional Chinese Medicine, Nanjing, Jiangsu, China;
4. Department of Oncology, Jiangsu Province Hospital of Traditional Chinese Medicine, Nanjing, Jiangsu, China