1. Department of Dermatology Dermatologia Medica and Laser Clinic Porto Alegre Rio Grande do Sul Brazil
2. Post‐Graduate Program in Pathology Federal University of Health Sciences of Porto Alegre (UFCSPA) Porto Alegre Rio Grande do Sul Brazil
3. Department of Pathology University General Hospital of Patras Rion Greece
4. Department of Dermatology University General Hospital of Patras Rion Greece