Yin, Zhikun MD1,2; Li, Ji MD2; Zhang, Jinyan MD1,2
1The Third Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, China;
2Department of Gastroenterology, the First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China.
Correspondence: Jinyan Zhang, MD. E-mail: [email protected]
