1. Department of Dermatology and Venereology; National Medical University; Kiev Ukraine
2. Department of Dermatology; Sir Paul Boffa Hospital; Harper Lane Floriana Malta
3. Medical School; Children's Hospital Zagreb; University of Zagreb; Zagreb Croatia
4. University Department of Dermatology and Venereology; Clinical Hospital Center Zagreb and School of Medicine of University in Zagreb; Zagreb Croatia
5. Dermatology; Dali Medical; Bucharest Romania
6. Department of Paediatric Dermatology; Colentina Clinical Hospital; ‘Carol Davila’ University of Medicine and Pharmacy; Bucharest Romania
7. Department of Dermatology II; Colentina Clinical Hospital; ‘Carol Davila’ University of Medicine and Pharmacy; Bucharest Romania
8. First Pediatric Department; Athens University; Aghia Sophia Children's Hospital; Athens Greece
9. Department of Dermatology, Venereology and Allergology; Wrocław Medical University; Wrocław Poland
10. Dermatology, Venereology and Allergology; University of Schleswig-Holstein; Kiel Germany
11. Clinical Epidemiology Unit; Istituto Dermopatico dell'Immacolata (IDI)-IRCCS FLMM; Rome Italy
12. Department of Cellular Radiobiology; State Institution “National Research Center for Radiation Medicine of National Academy of Medical Sciences of Ukraine”; Kiev Ukraine
13. Department of Dermatology; Zealand University Hospital; Roskilde Denmark
14. Department of Dermatology; Reference Centre for Rare Skin Disease; Toulouse University Hospital; Toulouse France
15. Department of Psychology; University of Zaragoza; Aragon Health Sciences Institute (IACS); Zaragoza Spain
16. Department of Dermatology; Royo Villanova Hospital; Aragon Health Sciences Institute (IACS); Zaragoza Spain