About the Authors

Yosuke Nakatani

Affiliations Tsukuba Research Laboratories, Eisai Co, Ltd., Tsukuba, Ibaraki, Japan, Molecular Imaging Center, National Institute of Radiological Sciences, Chiba, Chiba, Japan, Graduate School of Medicine, Tohoku University, Sendai, Miyagi, Japan

Michiyuki Suzuki

Affiliations Tsukuba Research Laboratories, Eisai Co, Ltd., Tsukuba, Ibaraki, Japan, Molecular Imaging Center, National Institute of Radiological Sciences, Chiba, Chiba, Japan

Masaki Tokunaga

Affiliation Molecular Imaging Center, National Institute of Radiological Sciences, Chiba, Chiba, Japan

Jun Maeda

Affiliation Molecular Imaging Center, National Institute of Radiological Sciences, Chiba, Chiba, Japan

Miyuki Sakai

Affiliation Tsukuba Research Laboratories, Eisai Co, Ltd., Tsukuba, Ibaraki, Japan

Hiroki Ishihara

Affiliation Tsukuba Research Laboratories, Eisai Co, Ltd., Tsukuba, Ibaraki, Japan

Takashi Yoshinaga

Affiliation Tsukuba Research Laboratories, Eisai Co, Ltd., Tsukuba, Ibaraki, Japan

Osamu Takenaka

Affiliation Tsukuba Research Laboratories, Eisai Co, Ltd., Tsukuba, Ibaraki, Japan

Ming-Rong Zhang

Affiliations Molecular Imaging Center, National Institute of Radiological Sciences, Chiba, Chiba, Japan, Graduate School of Medicine, Tohoku University, Sendai, Miyagi, Japan

Tetsuya Suhara

Affiliations Molecular Imaging Center, National Institute of Radiological Sciences, Chiba, Chiba, Japan, Graduate School of Medicine, Tohoku University, Sendai, Miyagi, Japan

Makoto Higuchi

mhiguchi@nirs.go.jp

Affiliations Molecular Imaging Center, National Institute of Radiological Sciences, Chiba, Chiba, Japan, Graduate School of Medicine, Tohoku University, Sendai, Miyagi, Japan

Competing Interests

YN, M. Suzuki, M. Sakai, HI, TY and OT are affiliated with Eisai Co., Ltd. E2110 is a compound in development by Eisai Co., Ltd. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials. No additional competing interests exist.

Author Contributions

Conceived and designed the experiments: YN TS MH. Performed the experiments: YN M. Suzuki MT JM M. Sakai HI TY OT MRZ MH. Analyzed the data: YN M. Suzuki MT M. Sakai HI TY OT. Contributed reagents/materials/analysis tools: MRZ. Wrote the manuscript: YN MH.