Funding for this research was provided by:
National Institutes of Health (U01 DA041174)
Received: 7 March 2020
Accepted: 16 June 2020
First Online: 27 June 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Yale University Institutional Review Board and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All participants provided consent in accordance with procedures approved by the institutional review board at Yale University and were paid for their participation.
: Not applicable.
: The authors declare that they have no competing interests.