Affiliation: | Ding-Guo Zhang, Su Luo, Feng Xiong, Zheng-Lei Xu, Ying-Xue Li, Jun Yao, Li-Sheng Wang, Department of Gastroenterology, Shenzhen People’s Hospital, First Affiliated Hospital of Southern University of Science and Technology, Second Clinical Medical College of Jinan University, Shenzhen 518020, Guangdong Province, China |