About the Authors

Satoshi Narumi

Contributed equally to this work with: Satoshi Narumi, Kumihiro Matsuo

sat_naru@hotmail.com

Affiliation Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan

Kumihiro Matsuo

Contributed equally to this work with: Satoshi Narumi, Kumihiro Matsuo

Affiliation Department of Pediatrics, Asahikawa Medical University, Hokkaido, Japan

Tomohiro Ishii

Affiliation Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan

Yusuke Tanahashi

Affiliation Department of Pediatrics, Asahikawa Medical University, Hokkaido, Japan

Tomonobu Hasegawa

Affiliation Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SN TH. Performed the experiments: SN KM. Analyzed the data: SN. Contributed reagents/materials/analysis tools: KM TI YT TH. Wrote the paper: SN.