Funding for this research was provided by:
National Natural Science Foundation of China (81571274)
Medical Science and Technology Foundation of Guangdong Province (2017B030314159, 2017B090904036)
National Institutes of Health (GM126985)
National Institute of Neurological Disorders and Stroke (082635)
Science and Technology Project of Guangzhou (201904020028)
Received: 20 February 2020
Accepted: 28 April 2020
First Online: 12 May 2020
Ethics approval and consent to participate
: Parents of each patient provided signed informed consent using a protocol approved by the Ethics Review Committee of the Second Affiliated Hospital of Guangzhou Medical University. This study was approved by the ethics committee of the Second Affiliated Hospital of Guangzhou Medical University (No.2016-hs-08) and written informed consent was obtained from parents.
: Parents of the patient have signed informed consent.
: The authors declare that they are no competing interests.