1 Infectious Diseases Unit, Pediatric Department, Hospital de Dona Estefânia, CHULC-EPE, Lisbon, Portugal, Nova Medical School, Faculdade de Ciências Médicas, Lisbon, Portugal.
2 Pediatric Orthopedic Unit, Hospital de Dona Estefânia, CHULC-EPE, Lisbon, Portugal.
3 Technological and Biomedical Center, Radiodiagnosis Unit, Hospital de Dona Estefânia, CHULC-EPE, Lisbon, Portugal.