Received: 5 October 2019
Revised: 20 March 2021
Accepted: 20 April 2021
First Online: 29 July 2021
: G.S.W. receives royalties from Uptodate for authorship contributions on related subjects. G.S.W. is now a co-investigator for an NIH NIDA funded grant. The other authors declare no competing interests.
: Informed consent was obtained from all caregivers by trained research assistants prior to the filling out of the survey. Assent was obtained from children aged >7 years.