Accepted for Publication: July 13, 2022.
Published Online: October 17, 2022. doi:10.1001/jamapediatrics.2022.3756
Correction: This article was corrected on December 5, 2022, to fix an error in Figure 1.
Corresponding Author: Ryusuke Ae, MD, PhD, Division of Public Health, Center for Community Medicine, Jichi Medical University, Yakushiji 3311-1, Shimotsuke, Tochigi 329-0498, Japan (email@example.com).
Author Contributions: Dr Ae had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Ae, Makino, Kuwabara, Kosami, Sasahara, Nakamura.
Acquisition, analysis, or interpretation of data: Ae, Makino, Kuwabara, Matsubara, Kosami, Nakamura.
Drafting of the manuscript: Ae, Matsubara, Nakamura.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Ae, Matsubara, Kosami, Nakamura.
Obtained funding: Nakamura.
Administrative, technical, or material support: Makino, Kuwabara, Nakamura.
Supervision: Makino, Kuwabara, Sasahara, Nakamura.
Conflict of Interest Disclosures: Dr Matsubara reported receiving grants from the Japan Kawasaki Disease Research Center during the conduct of the study. Dr Nakamura reported receiving grants from the Japan Kawasaki Disease Research Center during the conduct of the study. No other disclosures were reported.
Funding/Support: This study was supported by grants and funding from the Japan Kawasaki Disease Research Center (Dr Nakamura).
Role of the Funder/Sponsor: The funder had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: We thank all the pediatricians who contributed to the nationwide KD survey in Japan. We also thank John Daniel of Edanz (https://jp.edanz.com/ac) for editing a draft of this manuscript. He did not receive compensation beyond his usual salary for his contribution to the article.
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