Funding for this research was provided by:
National Institute of Neurological Disorders and Stroke (R01NS079166, R01NS095747)
National Institute on Drug Abuse (R01DA036165)
Article History
Received: 9 October 2017
Accepted: 22 January 2018
First Online: 10 February 2018
Compliance with Ethical Standards
: All animal procedures were performed in accordance with the ethical standards of the University of Texas Medical Branch, Galveston, Texas, USA
: The authors declare that they have no competing interests.