-
Sho Sasaki
Department of Gastroenterology, Saiseikai Yamaguchi Hospital, Japan
-
Tsuyoshi Takahashi
Department of Surgery, Saiseikai Yamaguchi Hospital, Japan
-
Hideaki Kitoh
Ichou-no-ki Clinic, Japan
-
Isao Sakaida
Department of Gastroenterology and Hepatology, Yamaguchi University Graduate School of Medicine, Japan