1. Department of Dermatology Bürgenstock Medical Center Obbürgen Switzerland
2. Department of Dermatology Icahn School of Medicine at Mount Sinai New York NY USA
3. Henry Ford Health System Detroit MI USA
4. LEO Pharma A/S Ballerup Denmark
5. St John's Institute of Dermatology Guy's and St Thomas’ NHS Foundation Trust London UK
6. Dermatology Private Practice Tremelo Belgium
7. Department of Laboratory Medicine Karolinska University Hospital Solna Sweden
8. Department of Dermatology University of Brescia Brescia Italy
9. Department of Dermatology University Hospital Infanta Leonor de Madrid Madrid Spain
10. Comprehensive Center for Inflammation Medicine University of Luebeck Luebeck Germany