1. Complejo Asistencial Universitario de León Leon Spain
2. Department of Dermatology Hospital de la Santa Creu i Sant Pau Barcelona Spain
3. Department of Dermatology Sant Joan de Deu Barcelona Barcelona Spain
4. Department of Odontology Sant Joan de Deu Barcelona Barcelona Spain
5. Department of Clinical Biochemistry Sant Joan de Deu Barcelona Barcelona Spain
6. Department of Clinical Biochemistry and Molecular Medicine Institut de Recerca Sant Joan de Déu and CIBERER16 ISCIII Barcelona Spain
7. Department of Dermatology Tel Aviv Sourasky Medical Center Tel Aviv Israel