1. Department of Immunology and Rheumatology,The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
2. Department of Gastroenterology and Hepatology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
3. Department of Medical Oncology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
4. College of Integrated Chinese and Western Medicine, Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China