Funding for this research was provided by:
National Institute on Aging (P30AG050911, R56AG059430, R01AG0256161)
National Institute on Aging (T32AG052363)
National Institute of General Medical Sciences (P20GM125528)
U.S. Department of Veterans Affairs (I01BX003906)
Oklahoma Center for Adult Stem Cell Research
Received: 2 June 2019
Accepted: 14 September 2019
First Online: 8 October 2019
Ethics approval and consent to participate
: All animal experimental procedures were performed according to protocols approved by the University of Oklahoma Health Sciences Center Institutional Animal Care and Use Committee.
: Not applicable.
: The authors declare that they have no competing interests.