Funding for this research was provided by:
Michael J. Fox Foundation for Parkinson's Research
National Institute on Aging (T32-AG000255, P30-AG10124)
National Institute of Neurological Disorders and Stroke (P50-NS053488)
Received: 20 May 2018
Accepted: 21 May 2018
First Online: 31 May 2018
Ethics approval and consent to participate
: All housing, breeding, and procedures were performed according to the NIH Guide for the Care and Use of Experimental Animals and approved by the University of Pennsylvania Institutional Animal Care and Use Committee.
: The authors declare that they have no competing interests.
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