1 Pulmonary Division, Laboratório de Pneumologia, Heart Institute (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, 2º andar, sala 2144, Av. Dr. Arnaldo, 455, São Paulo, São Paulo, 01246903, Brazil. otavioranzani@yahoo.com.br.
2 Barcelona Institute for Global Health, ISGlobal, Barcelona, Spain. otavioranzani@yahoo.com.br.
3 Medical Intensive Care Unit, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, Brazil.
4 Interdepartmental Division of Critical Care Medicine, Institute of Medical Science, Toronto General Research Institute, University of Toronto, Toronto, Canada.