Funding for this research was provided by:
National Institute of Neurological Disorders and Stroke (K23 NS073685)
National Institutes of Health (P30DK092926, UL1TR000433)
VA Senior Career Scientist
Received: 1 May 2016
Revised: 13 June 2016
Accepted: 27 June 2016
First Online: 9 July 2016
Compliance with Ethical Standards
: 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.
: Informed consent was obtained from all individual participants included in the study.