1 Critical Care Department, Hospital São Rafael, Salvador Bahia, Brazil.
2 Hospital Português, Salvador, Bahia, Brazil.
3 Critical Care Department, Hospital da Bahia, Salvador Bahia, Brazil.
4 Multidisciplinary Intensive Care Unit, Department of Anesthesia and Critical Care Medicine Pitie-Salpetriere Hospital, Assistance Publique Hopitaux de Paris, University School of Medicine Pierre and Marie Curie UPMC, University of Paris-6, Paris, France.