1. Department of Psychosocial Work Environment, National Research Centre for the Working Environment, Copenhagen, Denmark
2. Section of Social Medicine, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
3. Centre for Nutrition and Rehabilitation, University College Absalon, Roskilde, Denmark
4. Department of Public Health, Environment, Work and Health, Danish Ramazzini Centre, Aarhus University, Aarhus, Denmark