I. Introduction
The outbreak of the coronavirus infection COVID-19, first recorded in Wuhan, China in December 2019 and covering most countries of the world, has led to changes in all spheres of life, including the higher education sector. The pandemic has brought chaos and confusion, instability, having enhanced the situation of uncertainty and social, economic, family problems [1], having destroyed the usual way of life, which has negatively influenced the mental health of the population in many countries of the world [2].