1. Department of Sports; University of Nordland; Bodø Norway
2. Department of Nutrition, Exercise and Sports; Section of Human Physiology; Copenhagen Centre for Team Sport and Health; University of Copenhagen; Copenhagen Denmark
3. Sport and Health Sciences, College of Life and Environmental Sciences; University of Exeter; Exeter UK
4. Department of Laboratory Medicine; Nordland Hospital Bodø and Institute of Clinical Medicine; University of Tromsø; Tromsø Norway
5. National Research Centre for the Working Environment; Copenhagen Denmark