Funding for this research was provided by:
National Institute on Drug Abuse (R01DA032363, T32DA007209)
Article History
Received: 23 January 2019
Revised: 7 January 2020
Accepted: 9 January 2020
First Online: 27 January 2020
Compliance with Ethical Standards
:
: The authors have no conflicts of interest to declare.
: 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. All experimental procedures were performed in accordance with the 1964 Declaration of Helsinki and were reviewed and approved by the Johns Hopkins School of Medicine Institutional Review Board.
: Informed consent was obtained from all individual participants included in the study.