1. Zhaodong Li:
Department of Gastroenterology, Mianyang Central Hospital,Jingzhong Road, Fucheng District, Mianyang City, Sichuang,China
2. Wen Qu:
Department of Hematopathology, Mianyang Central Hospital,Fucheng District, Mianyang City, Sichuang,China
3. Xiaolin He:
Department of Obstetrics and Gynecology, The People s Hospital of Anzhou County,Anzhou District, Mianyang City, Sichuan,China
4. Xinhua Zhao:
Department of Gastroenterology, Mianyang Central Hospital,Jingzhong Road, Fucheng District, Mianyang City, Sichuang,China
5. Yujun Luo:
Department of Gastroenterology, Mianyang Central Hospital,Jingzhong Road, Fucheng District, Mianyang City, Sichuang,China
6. Jinhong Wang:
Department of Ultrasonography, Mianyang Central Hospital,Fucheng District, Mianyang City, Sichuang,China