1. Department of Nutrition, Exercise and Sports (NEXS), University of Copenhagen, Nørre Allé 51, DK-2200 Copenhagen N, Denmark
2. Department of Psychology, University of Copenhagen, Øster Farimagsgade 2A, 1353 Copenhagen K, Denmark
3. Health Promotion, Steno Diabetes Center Copenhagen, The Capital Region of Denmark, Niels Steensens Vej 6, DK-2820 Gentofte, Denmark