About the Authors

Junko Aida

aidajs@tmig.or.jp

Affiliation Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

Akira Yokoyama

Affiliation Clinical Research Unit, National Hospital Organization Kurihama Medical and Addiction Center, Yokosuka, Kanagawa, Japan

Naotaka Shimomura

Affiliation Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

Ken-ichi Nakamura

Affiliation Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

Naoshi Ishikawa

Affiliation Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

Masanori Terai

Affiliation Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

Steven Poon

Affiliation Terry Fox Laboratory, British Columbia Cancer Research Centre, Vancouver, Canada

Masaaki Matsuura

Affiliation Department of Cancer Genomics, The Cancer Institute, The Japanese Foundation for Cancer Research, Tokyo, Japan

Mutsunori Fujiwara

Affiliation Department of Pathology, Japanese Red Cross Medical Center, Tokyo, Japan

Motoji Sawabe

Affiliations Department of Moleculo-genetic Sciences, Division of Biomedical Laboratory Sciences, Graduate School of Health Care Sciences, Tokyo Medical and Dental University, Tokyo, Japan, Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan

Tomio Arai

Affiliation Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan

Kaiyo Takubo

Affiliation Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Establish and maintenance of original software: SSP. Endoscopic examination, medical examination: AY. Conceived and designed the experiments: JA KT. Performed the experiments: NS KN NI. Analyzed the data: JA NS MT MM. Contributed reagents/materials/analysis tools: AY MF MS TA NI. Wrote the paper: JA KT.