Dekker, K., Benjamins, J. S., van Straten, A., Hofman, W. F., & van Someren, E. J. W. (2015).
Effectiveness of internet-supported cognitive behavioral and chronobiological interventions and effect moderation by insomnia subtype: study protocol of a randomized controlled trial.
Trials,
16(292).
https://doi.org/10.1186/s13063-015-0790-2