Author/Authors :
yoneda, masato yokohama city university - graduate school of medicine - department of gastroenterology and hepatology, Yokohama, Japan , imajo, kento yokohama city university - graduate school of medicine - department of gastroenterology and hepatology, Yokohama, Japan , nakajima, atsushi yokohama city university - graduate school of medicine - department of gastroenterology and hepatology, Yokohama, Japan
