1. Department of Dermatology, Venereology and Allergology Universitätsklinikum Schleswig‐Holstein Kiel Germany
2. Department of Dermatology, Venereology and Allergology Erasmus MC University Medical Centre Rotterdam‐Sophia's Children Hospital Rotterdam The Netherlands
3. Department of Dermatology and Venereology Medical University of Vienna Vienna Austria
4. Department of Dermatology and Venereology Manisa Celal Bayar University Manisa Turkey