1. Department of Dermatology; Centro Hospitalar do Porto; Porto Portugal
2. Medical School; Instituto de Ciências Biomédicas Abel Salazar; University of Portugal; Porto Portugal
3. Unit for Multidisciplinary Investigation in Biomedicine; Instituto de Ciências Biomédicas Abel Salazar; University of Portugal; Porto Portugal
4. Department of Clinical Immunology; Centro Hospitalar do Porto; Porto Portugal
5. Immunogenetics Laboratory; Instituto de Ciências Biomédicas Abel Salazar; University of Portugal; Porto Portugal