1. Instituto Adolfo Lutz, São Paulo, Brazil
2. Grupo de Vigilância Epidemiológica VIII, Mogi das Cruzes, Brazil
3. German Center for Infection Research (DZIF), Partner site Bonn-Cologne, Cologne, Germany
4. Institute for Medical Microbiology, Immunology and Hygiene, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
5. Divisão de Infecção Hospitalar, Centro de Vigilância Epidemiológica, São Paulo, Brazil