1 D'OR Institute for Research and Education, Rio de Janeiro, Brazil; Post-Graduation Program, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
2 D'OR Institute for Research and Education, Rio de Janeiro, Brazil. Electronic address: filipe.amado@centromedicoma.com.br.
3 Department of Intensive Care, Alfred Health, Commercial Road, Prahran, VIC 3004, Australia; The Australian and New Zealand Intensive Care Society (ANZICS) Centre for Outcome and Resource Evaluation, High Street, Prahran, VIC 3004, Australia.