Correction to: Harm Reduct J (2020) 17:74 https://doi.org/10.1186/s12954-020-00416-w

After publication of the original article [1], the authors identified an error in Acknowledgements section. The below disclosures is missing.

"Dr. Ciccarone has received compensation in the past 36 months for: being on the Scientific Advisory Board for Celero Systems; providing expert testimony for Motley Rice LLP; being a one-time consultant for Arbor Pharmaceuticals; all outside the submitted work".

The original article has been corrected.