In the original article, we neglected to include the funder “Guangxi BaGui Scholarship, 201621” to X-NZ. In the published article, there was an error regarding the affiliation for Bharat Biswal. As well as having affiliation 8, he should also have “The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, 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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