-
Kimitoshi Kubo
Department of Gastroenterology, National Hospital Organization Hakodate Medical Center, Japan
-
Issei Ashida
Department of Gastroenterology, National Hospital Organization Hakodate Medical Center, Japan
-
Kei Hiraoka
Department of General Thoracic Surgery, National Hospital Organization Hakodate Medical Center, Japan
-
Noriko Kimura
Department of Pathology, National Hospital Organization Hakodate Medical Center, Japan