Description
According to the data of the World Health Organization (WHO), since December 2019, the coronavirus disease 2019 (COVID-19) has spread to 216 countries, areas or territories. On July 20th the number of confirmed cases reached 14,348,858 and the number of deaths amounted to 603,691 (WHO, 2020). The COVID-19 pandemic, declared by the WHO on March 11th, has deeply affected large populations in terms of serious social, political, economic, and psychological aspects (Holmes et al., 2020; Hui et al., 2020).