Funding for this research was provided by:
National Institutes of Health (P50MH113840)
Text and Data Mining valid from 2019-06-14
Received: 1 November 2018
Accepted: 3 June 2019
First Online: 14 June 2019
Ethics approval and consent to participate
: The Institutional Review Boards of the University of Pennsylvania and the City of Philadelphia approved all study procedures and all ethical guidelines were followed.
: Not applicable
: The authors declare that they have no competing interests.