Correction to: Harm Reduction Journal (2020) 17:34

https://doi.org/10.1186/s12954-020-00381-4

After publication of the original article [1], the authors identified an error in the author name of Costaki Greven.

The incorrect author name is: Cestaki Greven

The correct author name is: Costaki Greven

The author group has been updated above and the original article [1] has been corrected.