Affiliation: | 1. Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark;2. Maxillofacial Unit, Halland Hospital Halmstad, Halmstad, Sweden;3. Department of Pediatrics, Halland Hospital Halmstad, Halmstad, Sweden Department of Pediatrics, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden;4. Department of Pediatrics, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden |