Several grants are missing from the funding information. The complete funding information is:
"This work was supported by grants from the US National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS) NS061152 (Z.Y.), NS060809 (Z.Y.), RNS055683A (Z.Y.), Michael J. Fox Foundation (Z.Y.), the US National Institutes of Health/National Center for Research Resources (NIH/NCRR) RR00862 (B.T.C.), RR022220 (B.T.C.), and 2P20 RR020171 (Q.J.W.). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript."
Footnotes
Competing Interests: No competing interests declared.