1. Department of Dermatology and Allergology, National Expertise Center for Atopic Dermatitis University Medical Center Utrecht Utrecht The Netherlands
2. Center for Translational Immunology University Medical Center Utrecht Utrecht The Netherlands
3. Department of Clinical Pharmacy, Division Laboratories, Pharmacy and Biomedical Genetics University Medical Center Utrecht Utrecht The Netherlands
4. Department of Dermatology Red Cross Hospital Beverwijk Beverwijk The Netherlands