Funding for this research was provided by:
Indiana Spinal Cord & Brain Injury Research Fund
National Institute on Drug Abuse (DA039530)
Article History
Received: 29 May 2019
Accepted: 23 August 2019
First Online: 25 September 2019
Ethics approval and consent to participate
: N/A
: N/A
: The authors declare that they have no competing interests.