1 Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, 423 Guardian Drive, 302 Blockley Hall, Philadelphia, PA, 19103, USA. [email protected].
2 Intensive Care Unit, AC Camargo Cancer Center, São Paulo, Brazil.
3 Pulmonary Division, Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil.