1. Dermatology Ambulatory Care Center, “Grigore Alexandrescu” Clinical Emergency Hospital for Children, Bucharest, Romania
2. Pediatric Hospital, Ploiesti, Romania
3. Department of Dermatology, MedLife Medical System, Bucharest, Romania
4. Department of Dermatology, Nicolina Medical Center, Iasi, Romania
5. Department of Dermatology, Venereology and Allergology, Universitätsklinikum Schleswig-Holstein, Kiel, Deutschland
6. Department of Dermatology and Allergology, Städtisches Klinikum, Dresden Academic Teaching Hospital, Dresden, Deutschland