About the Authors

Kouji H. Harada

Affiliation Department of Health and Environmental Sciences, Kyoto University Graduate School of Medicine, Kyoto, 6068501, Japan

Keiko Tanaka

Affiliation Department of Food Nutrition, Kyoto Bunkyo Junior College, Uji, 6110041 Japan

Hiroko Sakamoto

Affiliation Department of Food Nutrition, Kyoto Bunkyo Junior College, Uji, 6110041 Japan

Mie Imanaka

Affiliation Department of Health and Nutrition, Kyoto Koka Women’s University, Kyoto, 6150882, Japan

Tamon Niisoe

Affiliation Department of Health and Environmental Sciences, Kyoto University Graduate School of Medicine, Kyoto, 6068501, Japan

Toshiaki Hitomi

Affiliation Department of Health and Environmental Sciences, Kyoto University Graduate School of Medicine, Kyoto, 6068501, Japan

Hatasu Kobayashi

Affiliation Department of Health and Environmental Sciences, Kyoto University Graduate School of Medicine, Kyoto, 6068501, Japan

Hiroko Okuda

Affiliation Department of Health and Environmental Sciences, Kyoto University Graduate School of Medicine, Kyoto, 6068501, Japan

Sumiko Inoue

Affiliation Department of Health and Environmental Sciences, Kyoto University Graduate School of Medicine, Kyoto, 6068501, Japan

Koichi Kusakawa

Affiliation Department of Health and Environmental Sciences, Kyoto University Graduate School of Medicine, Kyoto, 6068501, Japan

Masayo Oshima

Affiliation Department of Health and Environmental Sciences, Kyoto University Graduate School of Medicine, Kyoto, 6068501, Japan

Kiyohiko Watanabe

Affiliation Shimadzu Techno-Research Incorporated, Nishinokyo, Kyoto, 6048435, Japan

Makoto Yasojima

Affiliation Shimadzu Techno-Research Incorporated, Nishinokyo, Kyoto, 6048435, Japan

Takumi Takasuga

Affiliation Shimadzu Techno-Research Incorporated, Nishinokyo, Kyoto, 6048435, Japan

Akio Koizumi

koizumi.akio.5v@kyoto-u.ac.jp

Affiliation Department of Health and Environmental Sciences, Kyoto University Graduate School of Medicine, Kyoto, 6068501, Japan

Competing Interests

TWe have the following interests. Kiyohiko Watanabe, Makoto Yasojima and Takumi Takasuga are employed by Shimadzu Techno-Research Incorporated. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: AK. Performed the experiments: KHH KT HS MI TN TH HK HO SI KK MO AK. Analyzed the data: KHH KT HS MI TN KW MY TT AK. Contributed reagents/materials/analysis tools: KW MY TT. Wrote the paper: KHH KT HS MI TN TT AK.