1 Department of Dermatology, Santa Creu i Sant Pau University Hospital, Autonomous University of Barcelona, Barcelona, Spain.
2 Department of Pediatric Dermatology, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain.
3 Department of Pediatrics, Unit of Clinical Immunology and Primary Immunodeficiencies, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain.
4 Department of Molecular Genetics, Barcelona Children´s hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain.