About the Authors

Fumie Yamashita

Affiliation Division of Respirology, Neurology, and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Fukuoka, Japan

Koichi Azuma

azuma@med.kurume-u.ac.jp

Affiliation Division of Respirology, Neurology, and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Fukuoka, Japan

Tsukasa Yoshida

Affiliation Division of Respirology, Neurology, and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Fukuoka, Japan

Kazuhiko Yamada

Affiliation Division of Respirology, Neurology, and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Fukuoka, Japan

Akihiko Kawahara

Affiliation Department of Diagnostic Pathology, Kurume University Hospital, Kurume, Fukuoka, Japan

Satoshi Hattori

Affiliation Biostatistics Center, Kurume University, Kurume, Fukuoka, Japan

Hiroaki Takeoka

Affiliation Division of Respirology, Neurology, and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Fukuoka, Japan

Yoshiaki Zaizen

Affiliation Division of Respirology, Neurology, and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Fukuoka, Japan

Tomotaka Kawayama

Affiliation Division of Respirology, Neurology, and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Fukuoka, Japan

Masayoshi Kage

Affiliation Department of Diagnostic Pathology, Kurume University Hospital, Kurume, Fukuoka, Japan

Tomoaki Hoshino

Affiliation Division of Respirology, Neurology, and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Fukuoka, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KA FY. Performed the experiments: KA FY AK YZ KY HT TY. Analyzed the data: SH MK. Contributed reagents/materials/analysis tools: TK. Wrote the paper: FY KA TH.