1. Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China;Huang;Lancet,2020
2. European Centre for Disease Prevention and Control (ECDC). Situation update worldwide. https://www.ecdc.europa.eu/en/geographical-distribution-2019-ncov-cases.
3. US Centers for Disease Control and Prevention (CDC). Coronavirus disease 2019 (COVID-19). Locations with confirmed COVID-19 cases. Global map. https://www.cdc.gov/coronavirus/2019-ncov/locations-confirmed-cases.html.
4. First case of 2019 novel coronavirus in the United States;Holshue;N Engl J Med,2020
5. CT imaging of the 2019 novel coronavirus (2019-nCoV) pneumonia;Lei;Radiology,2020