Department of Public Health (Dr Hansen, Dr Grynderup, Dr Garde, Dr Rugulies); The National Research Centre for the Working Environment (Dr Hansen, Dr Garde, Dr Rugulies); Department of Neurology, Nordsjællands Hospital, Hillerød (Dr Grynderup); Department of Occupational and Environmental Medicine, Frederiksberg and Bispebjerg Hospital (Dr Bonde, Dr Mikkelsen, Dr Thomsen); Department of Psychology (Dr Conway, Dr Rugulies, Dr Hogh) University of Copenhagen, Copenhagen; Research Unit of Clinical Epidemiology, Institute of Clinical Research, University of Southern Denmark (Dr Kaerlev); Center for Clinical Epidemiology, Odense University Hospital (Dr Kaerlev); Department of Occupational Medicine, Danish Ramazzini Centre, Aarhus University Hospital (Dr Kolstad, Dr Willert), Denmark.
Address correspondence to: Åse Marie Hansen, PhD, Department of Public Health, University of Copenhagen, Øster Farimagsgade 5, DK-1014 Copenhagen K, Denmark ([email protected]).
The study was funded by The Danish Working Environment Research Fund (Grant Numbers 20130023294 and 5–2005-09) and The Danish Council for Independent Research (Grant Number 1319-00092). Funding organs played no role in the collection of data, formulation of study hypothesis, analyses, or interpretation of findings.
Conflict of Interest: None declared.
