About the Authors

Yoko Tsutsumi

Affiliation Department of Endocrinology and Diabetes Mellitus, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814–0180, Japan

Takashi Nomiyama

tnomiyama@fukuoka-u.ac.jp

Affiliation Department of Endocrinology and Diabetes Mellitus, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814–0180, Japan

Takako Kawanami

Affiliation Department of Endocrinology and Diabetes Mellitus, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814–0180, Japan

Yuriko Hamaguchi

Affiliation Department of Endocrinology and Diabetes Mellitus, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814–0180, Japan

Yuichi Terawaki

Affiliation Department of Endocrinology and Diabetes Mellitus, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814–0180, Japan

Tomoko Tanaka

Affiliation Department of Endocrinology and Diabetes Mellitus, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814–0180, Japan

Kunitaka Murase

Affiliation Department of Endocrinology and Diabetes Mellitus, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814–0180, Japan

Ryoko Motonaga

Affiliation Department of Endocrinology and Diabetes Mellitus, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814–0180, Japan

Makito Tanabe

Affiliation Department of Endocrinology and Diabetes Mellitus, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814–0180, Japan

Toshihiko Yanase

Affiliation Department of Endocrinology and Diabetes Mellitus, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814–0180, Japan

Competing Interests

Eli Lilly provided financial support as joint research. MSD donates an endowed chair to our department, and our department employs author Tomoko Tanaka, PhD using a part of the grant from MSD. TN has received lecture fees from Astrazeneca, Astellas, Boehringer Ingelheim, Eli Lilly, MSD, Novartis Pharma, Ono pharmaceutical Co. Ltd., Sanofi, Takeda pharmaceutical Co. Ltd., Mitsubishi Tanabe Pharma and Sumitomo Dainippon Pharma, and research funds from Astellas and MSD. TY was supported financially for his research by MSD, Sanofi, Takeda Pharmaceutical Co., Ltd., Daiichi Sankyo Company Ltd., Sumitomo Dainippon Pharma Co., Ltd., Sanwa Chemistry Co., Ltd., Eli Lilly, Novo Nordisk Pharma Ltd., Novartis Pharma, Kowa Company Ltd., and Fujifilm Pharma Co., Ltd. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: TN TY. Performed the experiments: Y Tsutsumi TK YH Y Terawaki TT. Analyzed the data: Y Tsutsumi TK. Contributed reagents/materials/analysis tools: Y Tsutsumi TK. Wrote the paper: Y Tsutsumi TN TK TY. Review of manuscript: KM RM MT.