title: Re: Twisk and Proper: evaluation of the results of a randomized controlled trial: how to define changes between baseline and follow-up.
authors.forename: Hendriek C
authors.initials: HC
authors.lastname: Boshuizen
mesh_terms: D000704:Analysis of Variance; D005500:Follow-Up Studies; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D016896:Treatment Outcome