Author contributions
Shohei Kubota designed the paper, processed the data, performed the analysis, and drafted the manuscript. Katsumasa Kitamura, Teruaki Matsui, and Yoshihiro Takasato contributed to the conception and interpretation of the study and reviewed the paper. Shiro Sugiura and Komei Ito conceptualized the study, analyzed and interpreted the data, and supervised the findings of this work. All authors discussed the results and contributed to the final manuscript.