1. Hospital de Clínicas, University of São Paulo, Brazil; Children's Institute, Department of Medicine, University of São Paulo, Av. Dr. Eneas Carvalho de Aguiar 647, 05403-900, São no consensus on whether fever, Paulo, Brazil
2. Hospital Britânico, Argentina
3. Hospital de Niños “Pedro Elizalde,” Argentina
4. Hospital de Niños “Ricardo Gutierrez,” Argentina
5. Hospital Luis Calvo Mackenna, Chile
6. Hospital de Clínicas, University of São Paulo, Brazil
7. Hospital São Paulo, Brazil
8. Hospital Regional “Lic. Adolfo Lápez Mateos,” Mexico
9. Hospital Juarez de Mexico, Mexico
10. Aventis Pharma, Brazil