1 Department of Dermatology, Hospital Universitario Puerta de Hierro, Majadahonda, Spain.
2 CIRI, Centre International de Recherche en Infectiologie, (Team Epidermal Immunity and Allergy); INSERM, U1111; Univ Lyon; Université de Lyon 1; Ecole Normale Supérieure de Lyon; CNRS, UMR 5308, Lyon, France; Department of Dermatology and Allergology, Centre Hospitalier Universitaire de Saint-Etienne, Saint-Priest-en-Jarez, France.
3 Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany.
4 Dermatology of Department, Cambridge University Hospitals, Addenbrookes Hospital, Cambridge, UK.
5 Department of Dermatology, Centro Hospitalar Universitário do Porto, Porto, Portugal.
6 Department of Dermatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.