Affiliations

• ¹ Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway; Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Dermatology, Oslo University Hospital, Oslo, Norway. Electronic address: kimsinmail@gmail.com.
• ² Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway; Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Dermatology, Oslo University Hospital, Oslo, Norway.
• ³ Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway; Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
• ⁴ Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Dermatology, Oslo University Hospital, Oslo, Norway.
• ⁵ Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden; Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.
• ⁶ Genetic Unit, Centre for Laboratory Medicine, Østfold Hospital Trust, Kalnes, Norway; Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway.
• ⁷ Oslo Centre for Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway.
• ⁸ Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway.
• ⁹ Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.
• ¹⁰ Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden; Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden; Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.
• ¹¹ Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway.
• ¹² Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway.
• ¹³ Department of Toxicology and Risk Assessment, Norwegian Institute of Public Health, Oslo, Norway.
• ¹⁴ Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway.
• ¹⁵ Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway; Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; VID Specialized University, Oslo, Norway.
• ¹⁶ Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Obstetrics and Gynaecology, Østfold Hospital Trust, Kalnes, Norway.
• ¹⁷ Department of Obstetrics and Gynaecology, Østfold Hospital Trust, Kalnes, Norway; Department of Obstetrics and Gynaecology, Institute of Clinical Sciences, Sahlgrenska Academy, Gothenburg, Sweden.