Funding for this research was provided by:
Colorado Department of Public Health and Environment (17 FHLA 96938)
National Institute on Drug Abuse (K01DA031738l, T32DA007292,)
First Online: 24 July 2018
Compliance with Ethical Standards
: The content is solely the responsibility of the authors and does not necessarily reflect the official views of the NIH.
: The authors declare that they have no conflict of interest.
: The study was approved by the Colorado Multiple Institutional Review Board. All procedures performed in studies involving human participants were in accordance with the ethical standards of the Colorado Multiple Institutional Review Board and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The data collection for this study was approved as exempt, which included a waiver of written parental consent and student assent. Student participation in data collection was voluntary and no personal identifiers were collected. Parents were notified in writing at least 2 weeks in advance of data collection and could opt out their child from data collection. Students were instructed that they could skip questions or chose not to complete the survey.