Funding for this research was provided by:
National Natural Science Foundation of China (81873158, 81673950, 82004189)
Received: 11 March 2020
Accepted: 11 February 2021
First Online: 21 February 2021
Ethics approval and consent to participate
: The experimental protocol was established according to the ethical guidelines of the Declaration of Helsinki and was approved by the Human Ethics Committee of Nanfang Hospital Southern Medical University. Written informed consent was obtained from individual participants or their guardians to use their remaining CSF samples and data.
: Not applicable.
: The authors declare that they have no competing interests.