Sazakli, E., M. Leotsinidis, M. Bakola, K. S. Kitsou, A. Katsifara, A. Konstantopoulou, and E. Jelastopulu. “Prevalence and Associated Factors of Anxiety and Depression in Students at a Greek University During COVID-19 Lockdown”. Journal of Public Health Research, May 2021, doi:10.4081/jphr.2021.2089.