Funding for this research was provided by:
National Institute of Neurological Disorders and Stroke (NS082184, NS081740)
Received: 28 July 2017
Accepted: 12 December 2017
First Online: 4 January 2018
: All animal experiments were approved by the Institutional Animal Care and Use Committee at Loma Linda University. The study followed the Guide for The care and the Use of Laboratory Animals (National Research Council) and complied with the ARRIVE guidelines for reporting in vivo experiments.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.