Funding for this research was provided by:
the Talent Project and Academic leader fostering Project of Children’s Hospital of Fudan Uinversity (1125)
Text and Data Mining valid from 2018-12-01
Received: 18 August 2017
Accepted: 11 December 2018
First Online: 29 December 2018
Ethics approval and consent to participate
: The study was approved by the Ethics Committee at the Children’s Hospital of Fudan University, Shanghai, China (EKYY-2009-31). All of the patients’ parents provided written informed consent.
: Not applicable
: The authors declare that they have no competing interests.
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