About the Authors

Shigeto Ueda

syueda@saitama-med.ac.jp

Affiliation Department of Breast Oncology, International Medical Center, Saitama Medical University, Hidaka, Saitama, Japan

Ichiei Kuji

Affiliation Department of Nuclear Medicine, International Medical Center, Saitama Medical University, Hidaka, Saitama, Japan

Takashi Shigekawa

Affiliation Department of Breast Oncology, International Medical Center, Saitama Medical University, Hidaka, Saitama, Japan

Hideki Takeuchi

Affiliation Department of Breast Oncology, International Medical Center, Saitama Medical University, Hidaka, Saitama, Japan

Hiroshi Sano

Affiliation Department of Breast Oncology, International Medical Center, Saitama Medical University, Hidaka, Saitama, Japan

Eiko Hirokawa

Affiliation Department of Breast Oncology, International Medical Center, Saitama Medical University, Hidaka, Saitama, Japan

Hiroko Shimada

Affiliation Department of Breast Oncology, International Medical Center, Saitama Medical University, Hidaka, Saitama, Japan

Hiroaki Suzuki

Affiliation Central Research Laboratory, Hamamatsu Photonics K.K., Hamakita-ku, Hamamatsu, Japan

Motoki Oda

Affiliation Central Research Laboratory, Hamamatsu Photonics K.K., Hamakita-ku, Hamamatsu, Japan

Akihiko Osaki

Affiliation Department of Breast Oncology, International Medical Center, Saitama Medical University, Hidaka, Saitama, Japan

Toshiaki Saeki

Affiliation Department of Breast Oncology, International Medical Center, Saitama Medical University, Hidaka, Saitama, Japan

Competing Interests

Hiroaki Suzuki and Motoki Oda are employed by Hamamatsu Photonics K.K. Hamamatsu Photonics K.K. has patents related to development of TRS20 (Patent number, US5836883A, patent name, Measuring the characteristics of a scattering medium; US6104946A, Measuring method and apparatus of absorption information of scattering medium; US6567165B1, Concentration measuring method and apparatus for absorption component in scattering medium; US6704110B2, Method and apparatus for measuring internal information of scattering medium; US0100449A1, Method and device for measuring scattering-absorption body). There are no further 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, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: SU T. Saeki IK. Performed the experiments: SU T. Shigekawa H. Shimada H. Sano EH AO HT. Analyzed the data: SU MO IK. Contributed reagents/materials/analysis tools: H. Suzuki MO. Wrote the paper: SU T. Saeki IK.