1. Department of Dermatology Manisa Celal Bayar University Manisa Turkey
2. Department of Dermatology, Venereology and Allergology Universitätsklinikum Schleswig‐Holstein, Campus Kiel Kiel Germany
3. Department of Pediatrics OLV Hospital Aalst Aalst Belgium
4. Interdisciplinary Unit of Pediatric Dermatology Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel) Brussels Belgium
5. Department of Dermatology Medical Center – University of Freiburg Freiburg Germany