1. Branswell, H., and A. Joseph. 2020. WHO declared the coronavirus outbreak a pandemic. Stat News, March 11. https://www.statnews.com/2020/03/11/who-declares-the-coronavirus-outbreak-a-pandemic/. Accessed May 12, 2020.
2. CDISC. 2020. Interim user guide-COVID-19. Release date April 21. https://www.cdisc.org/standards/therapeutic-areas/covid-19. Accessed May 12, 2020.
3. Chorin, E., M. Dai, E. Shulman, L. et. al. 2020. The QT interval in patients with COVID-19 treated with hydroxychloroquine and azithromycin. Nature Medicine 26: 808-809.
4. Clinical Trials.gov. 2020. https://clinicaltrials.gov/ct2/results?cond=COVIDnucleoside ribonucleic acid (RNA) polymerase inhibitor19&age_v=&gndr=&type=&rslt=&Search=Apply. Accessed May 10, 2020.
5. COVID-19 Dashboard by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University (JHU). ArcGIS. Johns Hopkins University. 2020. https://gisanddata.maps.arcgis.com/apps/opsdashboard/index.html#/bda7594740fd40299423467b48e9ecf6. Accessed May 9, 2020.