1. Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles (UCLA), Los Angeles, California, USA
2. Department of Environmental Health Sciences, Fielding School of Public Health, UCLA, Los Angeles, California, USA
3. Department of Neurology, School of Medicine, UCLA, Los Angeles, California, USA
4. Department of Pediatrics and Adolescent Medicine, Randers Regional Hospital, Randers, Denmark
5. Department of Pediatrics and Adolescent Medicine, Aarhus University Hospital, Skejby, Denmark
6. Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, UCLA, Los Angeles, California, USA
7. Department of Psychology, UCLA, Los Angeles, California, USA
8. Department of Public Health, Section for Epidemiology, University of Aarhus, Aarhus, Denmark
9. Department of Clinical Research, Research Unit for Gynaecology and Obstetrics, University of Southern Denmark, Odense, Denmark
10. Department of Environmental Science, University of Aarhus, Roskilde, Denmark
11. Centre for Arctic Health and Molecular Epidemiology, Department of Public Health, Aarhus University, Aarhus, Denmark
12. Greenland Center for Health Research, University of Greenland, Ilisimatusarfik, Nuuk, Greenland
13. Department of Clinical Epidemiology, Aarhus University Hospital, Skejby, Denmark