Funding for this research was provided by:
National Institute on Drug Abuse (R01DA042805)
Text and Data Mining valid from 2018-07-25
Received: 28 June 2018
Accepted: 17 July 2018
First Online: 25 July 2018
Ethics approval and consent to participate
: This protocol has been approved by the Institutional Review Boards of Brown University, the University of Miami, and The Fenway Institute. Written informed consent will be obtained from all participants included in the study.
: Not applicable.
: Dr. Katie Biello is an Associate Editor for BMC Public Health. All other authors declare that they have no competing interests.
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