About the Authors

Kouki Fujioka

Affiliations International Clinical Research Centre, Research Institute, International Medical Centre of Japan, Tokyo, Japan, Institute of DNA Medicine, Research Centre for Medical Sciences, Jikei University School of Medicine, Tokyo, Japan

Eiji Arakawa

Affiliation Department of Bacteriology, National Institute of Infectious Diseases, Tokyo, Japan

Jun-ichi Kita

Affiliation Research and Development Group, Business Development Department, Analytical and Measuring Instruments Division, Shimadzu Corporation, Kyoto, Japan

Yoshihiro Aoyama

Affiliation Research and Development Group, Business Development Department, Analytical and Measuring Instruments Division, Shimadzu Corporation, Kyoto, Japan

Toshiro Okuda

Affiliation Sanwa Norin Corporation, Ltd., Saitama, Japan

Yoshinobu Manome

Affiliation Institute of DNA Medicine, Research Centre for Medical Sciences, Jikei University School of Medicine, Tokyo, Japan

Kenji Yamamoto

backen@ri.imcj.go.jp

Affiliation International Clinical Research Centre, Research Institute, International Medical Centre of Japan, Tokyo, Japan

Competing Interests

Shimadzu corporation possesses patents about the FF-2A odour discrimination device. Representative Patents: Analysis algorithms (2005-291763, 2005-077099, 2004-93447, 2004-93446, and 2003-315298); Odour capture system (2008-145271); Odour discrimination device systems (2004-333134). These algorithms and systems have limitation of use.

Author Contributions

Conceived and designed the experiments: EA JiK YA TO YM KY. Performed the experiments: JiK YA TO. Analyzed the data: KF JiK YA. Contributed reagents/materials/analysis tools: JiK YA TO. Wrote the paper: KF KY.