Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, Minami 1-jo, Nishi 16-chome, Chuo-ku, Sapporo, Hokkaido, Japan
Dr. Hiroshi Nakase
Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, Minami 1-jo, Nishi 16-chome, Chuo-ku, Sapporo, Hokkaido, Japan