Funding for this research was provided by:
National Institute on Aging (R01AG060195)
National Institute of Neurological Disorders and Stroke (R01NS092667)
OB is supported by the Harold and Ronna Cooper Post-Doctoral Fellowship for Parkinson's Disease Research.
Consolidated Anti-Aging Foundation, Orchard Foundation
Received: 25 May 2018
Accepted: 30 September 2018
First Online: 12 October 2018
: The authors declare no competing interests.