Center of Research on Welfare, Health and Sport, Halmstad University, Halmstad, Sweden. Andreas.Ivarsson@hh.se. Center of Research on Welfare, Health and Sport, Halmstad University, Halmstad, Sweden. Department of Molecular Medicine and Surgery, Karolinska Institute, Stockholm, Sweden. Department of Psychology, Umeå University, Umeå, Sweden. Department of Food and Nutrition, and Sport Science, University of Gothenburg, Gothenburg, Sweden. Department of Psychology, University of Gothenburg, Gothenburg, Sweden.