Authors’ contributions
H.M. conceptualized and designed the study, analyzed the data, and
drafted the initial manuscript. K.H., H.I., and H.K. contributed to the
data analysis and interpretation and assisted in the preparation of the
manuscript, giving critical advice. H.G. and T.M. gave advice on the
data analysis. A.S. and Y.O. collected the data. K.F., H.N., S.Y., M.H.,
and the JECS group reviewed the manuscript and gave critical advice. All
of the authors discussed the results and contributed to the final
manuscript. All of the authors read and approved the final manuscript.