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Marjeta Kovač
University of Ljubljana, Faculty of Sport, Gortanova 22, 1000 Ljubljana, Slovenia
Gregor Jurak
University of Ljubljana, Faculty of Sport, Gortanova 22, 1000 Ljubljana, Slovenia
Lijana Zaletel Kragelj
University of Ljubljana, Medical Faculty, Department of Public Health, Zaloška 4, 1000 Ljubljana, Slovenia
Bojan Leskošek
University of Ljubljana, Faculty of Sport, Gortanova 22, 1000 Ljubljana, Slovenia