Cost-effectiveness of i-Sleep, a guided online CBT intervention, for patients with insomnia in general practice: protocol of a pragmatic randomized controlled trial.
Tanja van der ZweerdeJaap LanceePauline SlottjeJudith BosmansEus Van SomerenCharles ReynoldsPim CuijpersAnnemieke van StratenPublished in: BMC psychiatry (2016)
Netherlands Trial register NTR 5202 (registered April 17(st) 2015).