1. Center for Clinical Research and Prevention, Copenhagen University Hospital—Bispebjerg and Frederiksberg , Copenhagen, Denmark
2. Center for Economic Behavior and Inequality (CEBI), Department of Economics, University of Copenhagen , Copenhagen, Denmark
3. Department of Economics, University of Southern Denmark , Odense, Denmark
4. Department of Public Health and Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen, Denmark
5. Center for Childhood Health , Copenhagen, Denmark