Funding for this research was provided by:
Beijing Municipal Science and Technology Commission (Grant No. Z151100004015027)
Received: 20 December 2018
Accepted: 31 March 2019
First Online: 11 April 2019
Ethics approval and consent to participate
: The study protocol was approved by the IRB of Beijing Tiantan Hospital Affiliated to Capital Medical University. Approval date: May 6, 2015. Approval code: KY2015–009-01. Because all the patients included in this study were children under 12 years old with brain disorders. Their understanding and behavioral ability were limited. So the informed consent of this study was signed by the parents of the children with the approval of ethics committee. We obtained the written consent from the parents of all the participants.
: Not Applicable.
: The authors declare that they have no competing interests.
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