1. Department of Microbiology, Juntendo University School of Medicine, Tokyo, Japan
2. Department of Microbiome Research, Juntendo University School of Medicine, Tokyo, Japan
3. Koichi Tanaka Mass Spectrometry Research Laboratory, Kyoto, Japan
4. SUGIYAMA-GEN Co., Ltd., Tokyo, Japan
5. BML, Inc., Saitama, Japan
6. Department of Clinical Laboratory Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan