1. Department of Dermatology and Venereology Pediatrics, Centro Hospitalar Universitário de São João Oporto Portugal
2. Department of Pathology and Pediatrics Centro Hospitalar Universitário de São João Oporto Portugal
3. Department of Pediatrics Centro Hospitalar Universitário de São João Oporto Portugal
4. Faculty of Medicine of Oporto University and CINTESIS Oporto Portugal