Schepers, Scott T.
Arndt, David L.
Rogers, Robert D.
Hedeker, Donald
de Wit, Harriet http://orcid.org/0000-0002-7211-8994
Funding for this research was provided by:
National Institute on Drug Abuse (R01DA02812, T32DA043469)
National Institute of General Medical Sciences (T32GM007019)
Article History
Received: 7 December 2018
Accepted: 2 June 2019
First Online: 17 June 2019
Compliance with ethical standards
: Study procedures were approved by the Institutional Review Board at the University of Chicago and were carried out in accordance with the Declaration of Helsinki.