1. Department of Dermatology and Venereology; National Medical University; Kiev Ukraine
2. Departments of Dermatology, Venereology, Allergology and Immunology; Dessau Medical Center; Brandenburg Medical School Theodore Fontane; Dessau Germany
3. Department of Psychology; University of Zaragoza; Aragon Health Sciences Institute (IACS); Zaragoza Spain
4. Department of Dermatology; Zealand University Hospital; Roskilde Denmark
5. Dermatology; Dali Medical; Bucharest Romania
6. Department of Dermatology; Faculty of Health Sciences; University Hospital of North Norway; Troms Norway
7. Clinical Epidemiology Unit; Istituto Dermopatico dell'Immacolata (IDI)-IRCCS FLMM; Rome Italy
8. Health, Medical, and Neuropsychology Unit; Leiden University; Leiden The Netherlands
9. Department of Dermatology; Andreas Syggros Hospital; Athens Greece
10. Department of Dermatology; Royo Villanova Hospital; Aragon Health Sciences Institute (IACS); Zaragoza Spain
11. Department of Medical Sciences; Section of Dermatology; University of Ferrara; Ferrara Italy
12. Department of Medical Psychology; Academic Medical Center; Amsterdam The Netherlands
13. Dutch Skin Foundation; Nieuwegein The Netherlands
14. Department of Dermatology and Venereology; Skane University Hospital; Malmö Sweden
15. 2nd Department of Dermatology and Venereology; National and Kapodistrian University of Athens Medical School; “Attikon” General University Hospital; Athens Greece
16. Department of Dermatology; ULB-Erasme Hospital; Brussels Belgium
17. Department of Dermatology; Wroclaw Medical University; Wroclaw Poland
18. Department of Pharmacy, Pharmacology and Postgraduate Medicine; School of Life & Medical Sciences; University of Hertfordshire; Hatfield UK
19. Department of Dermatology and Wound Healing; Division of Infection and Immunity; School of Medicine; Cardiff University; Cardiff UK