In the published article, there was an error regarding the affiliations for Hui Xia and Ziyao Wang. As well as having the affiliation “Department of Neurology, China-Japan Friendship Hospital, Beijing, China”, they should also have “Graduate School of Beijing University of Chinese Medicine, Beijing, China”.
The authors apologize for this error and state that this does not change the scientific conclusions of the article in any way. The original article has been updated.
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