1. Department of Oncology, Longyan First Affiliated Hospital of Fujian Medical University, Longyan 364000, Fujian, China
2. College of Medical Nursing, Minxi Vocational and Technical College, Longyan 364000, Fujian, China
3. Department of Digestive Endoscopy Center, Longyan First Affiliated Hospital of Fujian Medical University, Longyan 364000, Fujian, China