Your first question goes back to the sources. One concern that we were seeing in this space in the 2000s and the 2010s was over-prescribing. We also saw concern with pain medication, and this continues to be a concern.
In Canada and North America we have seen prescribing of opioids, and there's been an evolution in the types of opioids. As prescribing practices evolved in the 2010s, we then saw individuals move to fentanyl.