title: Authors' reply to Timms and Bird.
authors.affiliation: University of Gothenburg, Gothenburg, Sweden.
authors.forename: Minna
authors.initials: M
authors.lastname: Johansson
authors.affiliation: Nordic Cochrane Centre, Rigshospitalet, Copenhagen, Denmark.
authors.forename: Karsten Juhl
authors.initials: KJ
authors.lastname: Jørgensen
authors.affiliation: Norwegian University of Science and Technology, Trondheim, Norway.
authors.forename: Linn
authors.initials: L
authors.lastname: Getz
authors.affiliation: Bond University, Australia.
authors.forename: Ray
authors.initials: R
authors.lastname: Moynihan