That makes sense. If you want to go beyond self reporting, you have to use very long term measures like employment, incidence of suicide, etc. And of course it'

That makes sense. If you want to go beyond self reporting, you have to use very long term measures like employment, incidence of suicide, etc. And of course it's very hard to guarantee that an individual pursued and sustained a specific type of therapy for a substantial amount of a long term study period.