1Tropical Medicine Health Sciences Center, Committee on Infection Control of Hospital das Clinicas, Universidade Federal de Pernambuco, Av. Professor Moraes Rego, 1235 Hospital das Clínicas - Cidade Universitária, Recife, Pernambuco 50670-901 Brazil
2Department of Pathology, Institute of Biological Sciences, Universidade de Pernambuco, Hospital de Câncer de Pernambuco, Real Hospital Português de Beneficência em Pernambuco, Recife, Pernambuco Brazil
3Cardiac Intensive Care Unit, Pronto-Socorro Cardiológico de Pernambuco, Universidade de Pernambuco, Recife, Pernambuco Brazil
4Committee on Infection Control, Pronto-Socorro Cardiológico de Pernambuco, Universidade de Pernambuco, Recife, Pernambuco Brazil
5Committee on Infection Control, Real Hospital Português de Beneficência em Pernambuco, Recife, Pernambuco Brazil
6Intensive Care Unit, Hospital Agamenon Magalhães, Secretaria de Saúde de Pernambuco, Recife, Pernambuco Brazil
7Intensive Care Unit, Hospital das Clínicas, Universidade Federal de Pernambuco, Recife, Pernambuco Brazil
8Committee on Infection Control of Hospital das Clinicas, Universidade Federal de Pernambuco, Recife, Pernambuco Brazil
9Institute of Biological Sciences, Universidade de Pernambuco, Recife, Pernambuco Brazil
10Faculty of Medical Sciences, Tropical Medicine Health Sciences Center, Universidade Federal de Pernambuco, Recife, Pernambuco Brazil
11Department of Infectious and Parasitic Diseases, Faculty of Medical Sciences, Tropical Medicine Health Sciences Center, Recife, Pernambuco Brazil