Funding for this research was provided by:
Science and Technology Project Foundation of Guangdong province (ID0ESYAI13540)
Key Project of Clinical Research of Southern Medical University (ID0EI5AI13541)
National Key Research Development Program (ID0E5DBI13542)
Guangdong Provincial Clinical Medical Centre for Neurosurgery (ID0EUJBI13543)
Received: 9 July 2018
Accepted: 2 January 2019
First Online: 15 January 2019
Ethics approval and consent to participate
: All experimental procedures were approved by the Southern Medical University Ethics Committee and were performed in accordance with the guidelines of the National Institutes of Health on the care and use of animals.
: Not applicable.
: The authors declare that they have no competing interests.
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