Characteristics and outcomes of patients with COVID-19 admitted to the ICU in a university hospital in São Paulo, Brazil: study protocol - Ferreira, Juliana Carvalho; Ho, Yeh-Li; Besen, Bruno Adler Maccagnan Pinheiro; Malbuisson, Luiz M. S.; Taniguchi, Leandro Utino; Mendes, Pedro Vitale; Costa, Eduardo Leite Vieira; Park, Marcelo; Daltro-Oliveira, Renato; Roepke, Roberta Muriel Longo; Silva, João M.; Carmona, Maria José Carvalho; et al. (Clinics, 2020)