1. Federal University of Health Sciences of Porto Alegre Porto Alegre Brazil
2. Dermatology ServiceIrmandade Santa Casa de Misericórdia de Porto Alegre Porto Alegre Brazil
3. Pathology and Forensic Medicine DepartmentFederal University of Health Sciences of Porto Alegre Porto Alegre Brazil
4. Internal Medicine Department, Section of Pediatric DermatologyFederal University of Health Sciences of Porto Alegre Porto Alegre Brazil