title: Response to Clark.
authors.forename: Falk
authors.initials: F
authors.lastname: Leichsenring
authors.forename: Simone
authors.initials: S
authors.lastname: Salzer
authors.forename: Eric
authors.initials: E
authors.lastname: Leibing
mesh_terms: D015928:Cognitive Behavioral Therapy; D005260:Female; D006801:Humans; D008297:Male; D010698:Phobic Disorders / Q000628:therapy*; D011613:Psychotherapy