Funding for this research was provided by:
National Institute on Aging (R21AG056568)
Received: 31 January 2020
Accepted: 8 May 2020
First Online: 16 May 2020
Ethics approval and consent to participate
: This study was reviewed and approved by the Institutional Review Board of the University of North Carolina at Chapel Hill. All participants provided written informed consent and HIPAA authorization.
: The authors’ institution received funding to conduct this project from the National Institutes of Health. No other conflicts of interest declared.