Lu Yao

, Zuqiang Liu

, Weifeng Chen

, Jiaqi Xu, Xiaoyue Xu, Jiaxin Xu, Liyun Ma, Xiaoqing Li, Quanlin Li

,* and Pinghong Zhou

*
Endoscopy Center and Endoscopy Research Institute, Zhongshan Hospital, Fudan University, Shanghai, China
Correspondence to: Quanlin Li, MD, PhD
Endoscopy Center and Endoscopy Research Institute, Zhongshan Hospital, Fudan University, 180 FengLin Road, Shanghai 200032, China
Tel: +86-21-640419, Fax: +86-21-64038472, E-mail:
li.quanlin@zs-hospital.sh.cn.Pinghong Zhou, MD, PhD
Endoscopy Center and Endoscopy Research Institute, Zhongshan Hospital, Fudan University, 180 FengLin Road, Shanghai 200032, China
Tel: +86-21-640419, Fax: +86-21-64038472, E-mail:
zhou.pinghong@zs-hospital.sh.cn.Lu Yao, Zuqiang Liu, and Weifeng Chen contributed equally to this work.