Berki, László Tamás, and Bettina F. Pikó. 2021. “Sedentary Lifestyle May Contribute to the Risk of Depression During the COVID-19 Pandemic: A Snapshot of Hungarian Adolescents”. European Journal of Mental Health, December, 99-119. https://ejmh.semmelweis.hu/test/index.php/ejmh/article/view/224.