| Affiliation: | 1. PharmacoEpidemiology and Drug Safety Research Group, School of Pharmacy, & PharmaTox Strategic Initiative, Faculty of Mathematics and Natural Sciences, University of Oslo, Oslo, Norway;2. Clinical and Population Health Research, Department of Quantitative Health Sciences, University of Massachusetts Medical School, Worcester, MA, USA;3. Department of Clinical Pharmacology, St Olav's University Hospital, Trondheim, Norway;4. Department of Laboratory Medicine, Children's and Women's Health, Norwegian University of Science and Technology, Trondheim, Norway;5. Division of Child Health, Norwegian Institute of Public Health, Oslo, Norway |
