Letter to the editor: A potential mechanism for the pathogenesis of psoriasis vulgaris - Coimbra, S.; Oliveira, H.; Reis, F.; Belo, L.; Rocha, S.; Quintanilha, A.; Figueiredo, A.; Teixeira, F.; Castro, E.; Rocha-Pereira, P.; Santos-Silva, A. (International Journal of Dermatology, 2013)