Funding for this research was provided by:
National Institute on Aging (P01-AG000001)
National Institute on Aging (R01-AG042512)
NIH Office of the Director (P51-RR00165)
National Institute of General Medical Sciences (T32-GM008541)
Article History
Received: 22 May 2017
Accepted: 8 January 2018
First Online: 22 January 2018
Compliance with ethical standards
: All procedures were in accord with NIH guidelines and approved by the Institutional Animal Care and Use Committee of BUMC.