Ferreira, J. C., Y.-L. Ho, B. A. M. P. Besen, L. M. S. Malbuisson, L. U. Taniguchi, P. V. Mendes, E. L. V. Costa, M. Park, R. Daltro-Oliveira, R. M. L. Roepke, J. M. Silva Júnior, M. J. C. Carmona, C. R. R. Carvalho, and E. Study Group. “Characteristics and Outcomes of Patients With COVID-19 Admitted to the ICU in a University Hospital in São Paulo, Brazil - Study Protocol”. Clinics, vol. 75, Aug. 2020, p. e2294, doi:10.6061/clinics/2020/e2294.