About the Authors

Kenji Ohba

Affiliation Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan

Shigekazu Sasaki

sasakis@hama-med.ac.jp

Affiliation Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan

Akio Matsushita

Affiliation Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan

Hiroyuki Iwaki

Affiliation Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan

Hideyuki Matsunaga

Affiliation Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan

Shingo Suzuki

Affiliation Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan

Keiko Ishizuka

Affiliation Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan

Hiroko Misawa

Affiliation Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan

Yutaka Oki

Affiliation Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan

Hirotoshi Nakamura

Affiliation Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KO S. Sasaki YO HN. Performed the experiments: KO AM HI H. Matsunaga S. Suzuki H. Misawa KI. Analyzed the data: KO S. Sasaki. Contributed reagents/materials/analysis tools: KO S. Sasaki H. Misawa KI. Wrote the paper: KO S. Sasaki HN.