1. The Research Unit; Department of Affective Disorders Q; Aarhus University Hospital Risskov; Risskov Denmark
2. SEARCH - Research Group for Synthesis of Evidence and Research; Research Unit for Musculoskeletal Function and Physiotherapy; Department of Sports Sciences and Clinical Biomechanics; University of Southern Denmark; Odense Denmark
3. Centre for Evidence-based Practice; Bergen University College; Bergen Norway
4. Department of Medicine; Horsens Regional Hospital; Horsens Denmark