Karin Kjellenberg, Rui Wang, Jonna Nilsson Horre, Björg Helgadóttir, Örjan Ekblom, Amika Singh, Gisela Nyberg. "Associations between physical activity, fitness, cognitive and academic performance in Swedish adolescents: Findings from a cross-sectional study." PLoS ONE (2026). https://doi.org/10.1371/journal.pone.0344087