About the Authors

Xiao-Bo Cheng

Affiliations Department of Surgery 1, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan, Department of Breast Surgery, the Fourth Affiliated Hospital of China Medical University, Shenyang, China

Norihiro Sato

norisato@med.uoeh-u.ac.jp

Affiliation Department of Surgery 1, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan

Shiro Kohi

Affiliation Department of Surgery 1, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan

Koji Yamaguchi

Affiliation Department of Surgery 1, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NS KY. Performed the experiments: XC SK. Analyzed the data: XC. Contributed reagents/materials/analysis tools: KY. Wrote the manuscript: NS XC.