1 Department of Gastroenterology, Shenzhen People's Hospital; The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, Guangdong, China.
2 Gastroenterology, Hepatology, and Nutrition Department, University of Texas Health Science Center, Houston, Texas, USA.
3 Department of Gastroenterology.
4 Department of Nursing, Shenzhen People's Hospital; The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, Guangdong, China.