Funding for this research was provided by:
National Natural Science Foundation of China (81571450, 81470299)
Basic Work of Science and Technology Program of China (2014FY110700)
Key Research and Development Program of Hunan Province (2017SK2153)
Article History
Received: 7 May 2018
Accepted: 4 February 2019
First Online: 15 February 2019
Ethics approval and consent to participate
: The study protocol was in accordance with the tenets of the Declaration of Helsinki and was approved by the Central South University ethics committee.
: Patient’s parents have written informed consent.
: The authors declare that they have no competing interests.
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