Authors’ contributions For the “Letter to the editor” section: TH prepared the first draft of the manuscript and coordinated subsequent revisions. KK, TO, SE, and YK contributed to drafting and reviewing the manuscript. All authors read and approved the final manuscript. For the “Response” section: TN performed the statistical analysis and drafted the manuscript. HS conceived the study, participated in its design and coordination, and helped to draft the manuscript. All authors read and approved the final manuscript.