1. Research Center, the Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
2. Department of Rheumatology, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, China
3. Cancer Early Detection Advanced Research Center, Oregon Health & Science University, Portland, OR, USA
4. Division of Gastrointestinal and General Surgery, School of Medicine, Oregon Health & Science University, Portland, OR, USA
5. Division of Oncological Sciences, Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA