1. Section of Dermatology; Federal University of Health Sciences of Porto Alegre; Porto Alegre Brazil
2. Department of Pathology Postgraduate Program; Federal University of Health Sciences of Porto Alegre; Porto Alegre Brazil
3. Section of Clinical Genetics; Department of Clinical Medicine; Federal University of Health Sciences of Porto Alegre; Porto Alegre Brazil
4. Section of Pediatric Dermatology; Hospital da Criança Santo Antônio; Irmandade da Santa Casa de Misericórdia de Porto Alegre; Porto Alegre Brazil