Affiliation: | 1. Department of Psychotherapy and Psychosomatic Medicine, Faculty of Medicine of the Technische Universit?t Dresden, Dresden, Germany;2. Department of Child Health, Norwegian Institute of Public Health, Oslo, NorwayContributed equally as first authors.;3. Centre for Maternal and Child Health Research, School of Health Sciences, City, University of London, London, UK;4. Department of Child Health, Norwegian Institute of Public Health, Oslo, Norway;5. H?KH, Research Centre, Akershus University Hospital, L?renskog, Norway;6. Institute of Clinical Medicine, Campus Ahus, University of Oslo, L?renskog, Norway |