title: The way forward: a case for longitudinal population-based studies in the field of functional somatic syndromes.
authors.forename: Judith G M
authors.initials: JG
authors.lastname: Rosmalen
mesh_terms: D016022:Case-Control Studies; D006801:Humans; D008137:Longitudinal Studies; D011602:Psychophysiologic Disorders / Q000175:diagnosis / Q000453:epidemiology*; D013001:Somatoform Disorders / Q000175:diagnosis / Q000453:epidemiology*