Funding for this research was provided by:
National Institute on Drug Abuse (R01 DA045596, R21 DA041903, T32 DA007244, F32 DA047193, R01 DA039942, P30 DA033934, K02 DA027374, R01 DA045588)
National Institute of Neurological Disorders and Stroke (R01 NS108808)
National Institute on Aging (R21 AG056924)
National Institute of Allergy and Infectious Diseases (R01 DA128864)
National Cancer Institute (P30CA016086)
National Center for Research Resources (1S10OD010366)
Japan Society for Promotion of Science
Received: 18 May 2020
Accepted: 29 September 2020
First Online: 18 November 2020
: All animal procedures were approved by the University of North Carolina Institutional Animal Care and Use Committee (IACUC) and are in keeping with ethical guidelines defined by the National Institutes of Health (NIH Publication No. 85-23).
: Not applicable.
: The authors declare that they have no competing interests.