1. From the Department of Internal Medicine University of Connecticut Farmington CTUSA
2. and the Emergency Department Medical Emergencies Discipline Internal Medicine Department Faculdade de Medicina Hospital das Clínicas HCFMUSP São Paulo SPBrazil
3. and the Medical ICU, Disciplina de Emergências Clínicas, Departmento de Clínica Médica, Hospital das Clínicas HCFMUSP, Faculdade de Medicina Universidade de São Paulo São PauloSPBrazil
4. and the Faculdade de Medicina FMUSP Universidade de São Paulo São Paulo SP Brazil