Funding for this research was provided by:
National Institute on Drug Abuse (R01DA16351, R01DA027232, R01DA050334)
National Institute on Aging (R01AG048915)
Article History
Received: 2 May 2021
Accepted: 4 August 2021
First Online: 17 August 2021
Declarations
:
: The authors declare no conflict of interest regarding this study.
: This study was approved by the Institutional Review Board of the University of Minnesota. The procedures used in this study adhere to the principles of the Declaration of Helsinki.
: Written informed consent was obtained from each individual before participation to this study.