1 Centro de Dermatologia Epidermis, Instituto CUF, Porto, Portugal; Faculty of Medicine, University of Porto, Porto, Portugal; Department of Dermatology and Venereology, Centro Hospitalar São João EPE, Porto, Portugal. Electronic address: anabastospedrosa@gmail.com.
2 Centro de Dermatologia Epidermis, Instituto CUF, Porto, Portugal.
3 Centro de Dermatologia Epidermis, Instituto CUF, Porto, Portugal; Department of Dermatology, Inselspital, University of Bern, Bern, Switzerland.
4 Centro de Dermatologia Epidermis, Instituto CUF, Porto, Portugal; Faculty of Medicine, University of Porto, Porto, Portugal.