About the Authors

Hideyasu Yamada

Affiliation Department of Pulmonology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan

Hironori Masuko

Affiliation Department of Pulmonology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan

Yohei Yatagai

Affiliation Department of Pulmonology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan

Tohru Sakamoto

Affiliation Department of Pulmonology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan

Yoshiko Kaneko

Affiliation Department of Pulmonology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan

Hiroaki Iijima

Affiliation Tsukuba Medical Center, Tsukuba, Ibaraki, Japan

Takashi Naito

Affiliation Tsukuba Medical Center, Tsukuba, Ibaraki, Japan

Emiko Noguchi

Affiliation Department of Medical Genetics, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan

Satoshi Konno

Affiliation Laboratory for Respiratory Diseases, Center for Genomic Medicine, Institute of Physical and Chemical Research, Tsurumi, Kanagawa, Japan

Masaharu Nishimura

Affiliation Laboratory for Respiratory Diseases, Center for Genomic Medicine, Institute of Physical and Chemical Research, Tsurumi, Kanagawa, Japan

Tomomitsu Hirota

Affiliation First Department of Medicine, School of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan

Mayumi Tamari

Affiliation First Department of Medicine, School of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan

Nobuyuki Hizawa

hironori816@yahoo.co.jp

Affiliation Department of Pulmonology, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HY TS NH. Performed the experiments: HY YY HM TS YK. Analyzed the data: HY YY HM TS EN TH MT NH. Contributed reagents/materials/analysis tools: YK HI TN SK MN. Wrote the paper: HY TS NH.