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Article History

Received: 7 May 2019

Accepted: 4 November 2020

First Online: 1 December 2020

Ethics approval and consent to participate

: The Ethics Committee of Children’s Hospital Zhejiang University School of Medicine approved this study (No.2018-IRB-059 and 2019-IRB-001). All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Written consent was obtained from the parents of the proband for the collection of samples and for DNA sequencing.

: Written informed consent for publication of identifying images or the clinical details was obtained from the parents or legal guardians of any participant under the age 18.

: The authors declare that they have no competing interests.