Article History
Received: 4 September 2017
Accepted: 26 June 2018
First Online: 3 July 2018
Ethics approval and consent to participate
: Signed informed consent was obtained from the parents of the patients. Ethics approval was obtained from the Ethical Committee of Children’s Hospital of Fudan University.
: A signed consent form pertaining to genetic studies and the publication of scientific data was obtained from parents of the children.
: The authors declare that they have no competing interests.
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