1. Division of Dermatology Hospital Universitario Marqués de ValdecillaUniversity of CantabriaIDIVAL Santander Spain
2. Division of Pathology Hospital Universitario Marqués de ValdecillaUniversity of CantabriaIDIVAL Santander Spain
3. Division of Immunology Hospital Universitario Marqués de ValdecillaUniversity of CantabriaIDIVAL Santander Spain
4. Division of Dermatology Hospital Universitario La Paz Hospital Madrid Spain
5. Division of Microbiology Hospital Universitario Marqués de ValdecillaUniversity of CantabriaIDIVAL Santander Spain
6. Unit of Pediatrics Health Center La Marina (Santander) Cantabrian Health Service Santander Spain
7. Unit of Infectious Diseases Hospital Universitario Marqués de ValdecillaUniversity of CantabriaIDIVAL Santander Spain
8. Division of Pediatrics Hospital Universitario Marqués de ValdecillaUniversity of CantabriaIDIVAL Santander Spain