1. Division of Pediatric Endocrinology, Department of Women’s and Children’s Health, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
2. Unit of Biostatistics, Department of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
3. Centre for Pharmacoepidemiology, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
4. Department of Physiology/Endocrinology, Institute of Neuroscience and Physiology, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden