1. Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido 060-8638, Japan
2. Department of Advanced Clinical Glycobiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido 001-0021, Japan
3. Koichi Tanaka Mass Spectrometry Research Laboratory, Shimadzu Corporation, Kyoto, Kyoto 604-8511, Japan
4. Research Team for Mechanism of Aging, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan
5. Shionogi Innovation Center for Drug Discovery, Shionogi & Co., Ltd., Sapporo, Hokkaido 001-0021, Japan
6. Bioinformatics Laboratory, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Niigata 951-8510, Japan