Funding for this research was provided by:
National Institute of Mental Health (R25MH080665)
National Institute on Drug Abuse (K01DA036411)
Received: 11 October 2019
Accepted: 17 February 2020
First Online: 10 March 2020
Ethics approval and consent to participate
: This study received IRB approval from the Columbia University Irving Medical Center institutional review board. All participants provided written informed consent prior to participation.
: Participants were informed in the written informed consent form that the data from the study may be published, but that participants’ identities would be protected.
: The authors have no competing interests to report.