1. Department of Dermatology Erasmus MC University Medical Center Rotterdam The Netherlands
2. Department of Immunology Erasmus MC University Medical Center Rotterdam The Netherlands
3. Department of Internal Medicine Division of Clinical Immunology Erasmus MC University Medical Center Rotterdam The Netherlands
4. Academic Center for Rare Immunological Diseases (RIDC) Erasmus MC University Medical Center Rotterdam The Netherlands
5. Department of Dermatology and Allergology University Medical Center Utrecht The Netherlands
6. Public Health Care at Zuidzorg Veldhoven The Netherlands
7. Department of Immunology and Pathology Central Clinical School Monash University Melbourne Vic. Australia
8. Department of Allergy, Immunology & Respiratory Medicine Alfred Hospital Melbourne Vic. Australia
9. Department of Pediatric Dermatology Sophia Children’s Hospital Erasmus MC University Medical Center Rotterdam The Netherlands