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AUTHOR CONTRIBUTIONS
AK conceived and designed the study. YA, SA and NK performed the experimental
work. YA, UT and AK interpreted data and wrote the manuscript. UT, CT, DH, DT and
AK examined the patients and characterized the clinical features of the disease. MA
and AK supervised the study. All the authors edited or commented on the
manuscript.
Correspondence and requests for materials should be addressed to Akiharu Kubo.
Reprints and permission information is available at http://www.nature.com/
reprints
Publisher’s note Springer Nature remains neutral with regard to jurisdictional claims
in published maps and institutional affiliations.
FUNDING
Open access funding provided by Kobe University.
This study was approved by the Ethics Committee of Keio University School of
Medicine and performed after obtaining written informed consent. Written informed
consent for publication of their clinical details and clinical images was obtained from
the parent of each patient.
Open Access This article is licensed under a Creative Commons
Attribution 4.0 International License, which permits use, sharing,
adaptation, distribution and reproduction in any medium or format, as long as you give
appropriate credit to the original author(s) and the source, provide a link to the Creative
Commons license, and indicate if changes were made. The images or other third party
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indicated otherwise in a credit line to the material. If material is not included in the
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from the copyright holder. To view a copy of this license, visit http://
creativecommons.org/licenses/by/4.0/.
ADDITIONAL INFORMATION
© The Author(s) 2023
COMPETING INTERESTS
The authors declare no competing interests.
ETHICAL APPROVAL
Supplementary information The online version contains supplementary material
available at https://doi.org/10.1038/s41431-023-01316-w.
European Journal of Human Genetics (2023) 31:716 – 720
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