Teresa Botelho, Neonatology Service, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal Inês Gameiro, Neonatology Service, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal Maria Relvas, Dermatovenereology Department Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal João Teixeira, Department of Dermatology and Venereology, Coimbra Local Health Unit, Coimbra, Portugal Mariana Batista, Department of Dermatology, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal Ana Rodrigues-Silva, Neonatology Service, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal Patrícia Lapa, Neonatology Service, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal Joaquim Tiago, Neonatology Service, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal