1. World Health Organization. Coronavirus disease 2019 (COVID-19): situation Report – 91 [Internet]. 2020 [cited 2020 Apr 21]. Available from: https://www.who.int/docs/default-source/coronaviruse/situation-reports/20200420-sitrep-91-covid-19.pdf?sfvrsn=fcf0670b_4.
2. European CDC. Situation update worldwide, as of 5 April 2020 [Internet]. 2020 [cited 2020 Apr 16]. Available from: https://www.ecdc.europa.eu/en/geographical-distribution-2019-ncov-cases.
3. The psychological impact of the COVID-19 epidemic on college students in China;Cao;Psychiatry Res [Internet],2020
4. Assessment of Iranian Nurses’ Knowledge and Anxiety Toward COVID-19 During the Current Outbreak in Iran;Nemati;Arch Clin Infect Dis,2020
5. A nationwide survey of psychological distress among Chinese people in the COVID-19 epidemic: implications and policy recommendations;Qiu;Gen Psychiatry,2020