Flor Duarte, Dermatology Department, Coimbra, Portugal Filipa Ribeiro e Sousa, Pediatric Hospital, Coimbra Local Health Unit, Coimbra, Portugal Francisco Martins, Dermatology Department, Coimbra, Portugal Felicidade Santiago, 1Dermatology Department, Coimbra, Portugal Inês M. Santos, Pediatric Hospital, Coimbra Local Health Unit, Coimbra, Portugal Mélissa Mendes-Lopes, Pediatric Hospital, Coimbra Local Health Unit, Coimbra, Portugal Leonor Ramos, Pediatric Hospital, Coimbra Local Health Unit, Coimbra, Portugal