Cheristanidis, S., D. Kavvadas, D. Moustaklis, E. Kyriakidou, D. Batzou, E. Sidiropoulos, G. Papazisis, and T. Papamitsou. “Psychological Distress in Primary Healthcare Workers During the COVID-19 Pandemic in Greece”. Acta Medica Academica, vol. 50, no. 2, Nov. 2021, pp. 252-63, doi:10.5644/ama2006-124.341.