Funding for this research was provided by:
National Institute of Neurological Disorders and Stroke (1R21NS074394-01A1)
National Institute on Aging (1R21AG047953-01)
Article History
Received: 10 August 2016
Accepted: 18 January 2017
First Online: 27 January 2017
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest. The authors alone are responsible for the content and writing of the paper