Division of Gastroenterology Department of Medicine Fujian Provincial Tumor Hospital Fujian 350014 China;
Division of Gastroenterology Department of Medicine Fujian Provincial Tumor Hospital Fujian 350014 China;
Division of Gastroenterology Department of Medicine Fujian Provincial Tumor Hospital Fujian 350014 China;
Division of Gastroenterology Department of Medicine Fujian Provincial Tumor Hospital Fujian 350014 China;
Division of Gastroenterology Department of Medicine Fujian Provincial Tumor Hospital Fujian 350014 China;
Division of Gastroenterology Department of Medicine Fujian Provincial Tumor Hospital Fujian 350014 China;