title: Authors' reply.
authors.affiliation: Jurrijn A. Koelen, University of Leuven, Tiensestraat 102, 3000 Leuven, Belgium. Email: jurkoel@gmail.com; Allan Abbass, Departments of Psychiatry and Psychology, Dalhousie University, Halifax, Canada; Jan H. Houtveen, Rinie Geenen, Department of Clinical and Health Psychology, Utrecht University, Utrecht, The Netherlands.
authors.forename: Jurrijn A
authors.initials: JA
authors.lastname: Koelen
authors.forename: Allan
authors.initials: A
authors.lastname: Abbass
authors.forename: Jan H
authors.initials: JH
authors.lastname: Houtveen
authors.forename: Rinie
authors.initials: R
authors.lastname: Geenen
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D017063:Outcome Assessment, Health Care / Q000706:statistics & numerical data*; D011613:Psychotherapy / Q000379:methods*; D017594:Publication Bias; D013001:Somatoform Disorders / Q000628:therapy*