Funding for this research was provided by:
National Institute on Drug Abuse (R01-DA046410)
Brain and Behavior Research Foundation (NARSAD 26008)
Text and Data Mining valid from 2019-10-11
Received: 5 April 2019
Accepted: 9 October 2019
First Online: 11 October 2019
Compliance with ethical standards
: The authors declare no conflict of interest.
: All procedures were conducted in accordance with the ethical standards of the Texas A&M University Institutional Review Board and with the 1964 Helsinki declaration and its later amendments.
: Informed consent was obtained from all individual participants included in the study.