Funding for this research was provided by:
National Institute of Mental Health (R03MH117493, R01MH072961)
National Institute on Drug Abuse (R01DA038466)
Albert and Elaine Borchard Foundation on International Education
Received: 4 October 2019
Accepted: 12 November 2019
First Online: 29 November 2019
Ethics approval and consent to participate
: Ethics approval was provided by the University of California, San Diego Human Research Subjects Protection Program.
: Not applicable.
: NS is the director of London Safety & Training Solutions Ltd, which provides advisory and training services on safety and quality improvement to healthcare organizations internationally. The other authors declare that they have no competing interests.