C. Sialakis, P. Antoniou Sialaki, A. Frantzana, C. Iliadis, P. Ouzounakis, and L. Kourkouta, “Prevalence of anxiety and depression of health care workers during COVID-19 – a systematic review and meta-analysis”, Medicine and Pharmacy Reports, vol. 96, no. 3, pp. 246-253, Jul. 2023.