Correction to: Current Addiction Reports (2018)

https://doi.org/10.1007/s40429-018-0189-8

The original version of this article unfortunately contained a mistake. There are two instances where the content in Fig. 2 was changed to “[CATEGORY NAME][PERCENTAGE],” instead of what actually should be shown. With this, the original article was corrected and the correct Fig. 2 is now presented in here.

figure a