1. Department of Dermatology Erasmus MC University Medical Center Rotterdam Rotterdam the Netherlands
2. Department of Dermatology and Allergology University Medical Center Utrecht Utrecht the Netherlands
3. Swiss Institute of Allergy and Asthma Research (SIAF) University of Zürich Davos Switzerland
4. Department of Medical Microbiology and Infectious Diseases Erasmus MC University Medical Center Rotterdam Rotterdam the Netherlands
5. Microbiology and Systems Biology Group TNO Zeist the Netherlands
6. Department of (Pediatric) Dermatology Erasmus MC University Medical Center Rotterdam Sophia Children's Hospital Rotterdam the Netherlands