Funding for this research was provided by:
National Institute of Mental Health (K01MH107331)
National Institute of Drug Abuse (T32DA13911)
Article History
First Online: 14 September 2018
Compliance with Ethical Standards
:
: There are no conflicts of interest for any of the study authors.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional 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.