I believe this is the Dutch long term follow up
https://www.ncbi.nlm.nih.gov/pubmed/23669515
I've just spent the last half hour trying to get my head around this Dutch study and concluded it's so full of holes it's like a bloody sieve!
For one thing, they play the PACE trick of highlighting the fact that the recovery rate was maintained at long term follow up and play down the fact that the usual care (UC) group had caught up by then.
And towards the end of the paper they throw in this curve ball:
" Our original pragmatic study design enabled us to demonstrate the value of FITNET relative to currently locally available therapies. Availability, of course, is defined locally and differs from region to region, even in a small country such as The Netherlands. This design meant that we could and cannot provide detailed data about the specific interventions in the UC group because the quality and quantity of treatments (mostly CBT) differed according to local availability, and adolescents often combined CBT with other treatments such as graded exercise. "
In other words they haven't a bloody clue what the UC group were doing. And didn't ask! For all they know, they might have been put on an aggressive GET program and taken a couple of years to recover!
A bit like doing a headache study of paracetamol, and letting the 'control' group take anything else and not asking them what they'd taken!
I despair!