1. Section of Environmental Health, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
2. Juliane Marie Center, Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark
3. DELTA Acoustics, Hørsholm, Denmark
4. Department of Environmental Science, Aarhus University, Roskilde, Denmark
5. Diakonissestiftelsen, Frederiksberg, Denmark
6. Research Unit for Dietary Studies, The Parker Institute Bispebjerg and Frederiksberg Hospital, Copenhagen University Hospital, Copenhagen, Denmark
7. Nykøbing F Hospital, Centre for Epidemiological Research, Nykøbing F, Denmark