1. Department of Surgery, Division of Vascular Surgery, The Jikei University Kashiwa Hospital, 163-1 Kashiwa-shita, Kashiwa, Chiba 277-0004, Japan
2. Division of Vascular Surgery, Department of Surgery, The Jikei University School of Medicine, 3-19-18 Nishi-shimbashi, Minato, Tokyo 105-8471, Japan
3. Next Generation Science Institute, Morinaga Milk Industry Co., Ltd., 5-1 Higashihara, Zama, Kanagawa 252-0004, Japan
4. Division of Gastroenterology and Hepatology, Department of Internal Medicine, The Jikei University Kashiwa Hospital, 163-1 Kashiwa-shita, Kashiwa, Chiba 277-0004, Japan
5. Department of Microbiota Research, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan