Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC0905100, 2016YFC0905100)
Received: 20 January 2018
Accepted: 23 May 2018
First Online: 18 June 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board (IRB) of the Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Beijing, China (015–2015). Written informed consent was obtained from all participants and from parents or legal guardians of children under the age of 18.
: Written informed consent for publication of patients’ images and medical data in anonymity was obtained from all participants and from parents or legal guardians of children under the age of 18.
: The authors declare that they have no competing interests.
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