[1] Yokohama City Univ, Dept Immunol, Yokohama, Kanagawa, Japan
[2] Yokohama City Univ, Dept Gastroenterol, Yokohama, Kanagawa, Japan
[3] Yokohama City Univ, Dept Gastroenterol & Hepatol, Yokohama, Kanagawa, Japan
[4] Kumamoto Univ, Lab Chromatin Org Immune Cell Dev, Kumamoto, Japan
[5] Kanagawa Canc Ctr, Res Inst, Ctr Canc Genome Med, Yokohama, Kanagawa, Japan
[6] Yokohama City Univ, Dept Gastrol Surg, Yokohama, Kanagawa, Japan