Funding for this research was provided by:
National Institutes of Health (R01 NS089674, U01 AG046152, R01 AG048015)
Received: 5 November 2019
Accepted: 8 June 2020
First Online: 29 July 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: A.C. and G.M. are employees of Biogen. R.M.R. is former of Biogen employee. R.M.R. is an employee of Third Rock Venture Capital.