Takahashi, Keitaro MD1; Fujiya, Mikihiro MD, PhD1; Ueno, Nobuhiro MD, PhD1; Ando, Katsuyoshi MD, PhD1; Kashima, Shin MD, PhD1; Moriichi, Kentaro MD, PhD1; Okumura, Toshikatsu MD, PhD1
1Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University, Asahikawa, Japan.
Correspondence: Mikihiro Fujiya, MD, PhD. E-mail: [email protected].