1. Kaycha Labs Colorado, Denver, CO, USA
2. Cannabis Sciences Program, Colorado Department of Public Health and Environment, Denver, CO, USA
3. Department of Cannabis Control, Cannabis Testing Laboratory Branch, Richmond, CA, USA
4. Phenomenex, Torrance, CA, USA
5. SCIEX, Concord, Canada
6. Department of Chemistry, University of British Columbia Okanagan, Kelowna, Canada