Tucker, Joan S.
Edelen, Maria Orlando
Huang, Wenjing
Funding for this research was provided by:
National Institute on Drug Abuse (R34DA031910)
Article History
Received: 12 November 2015
Accepted: 23 December 2015
First Online: 13 January 2016
Conflicts of Interest
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institution and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.