1. Department of Dermatology and Venereology Medical University of Graz Graz Austria
2. Department of Dermatology Medical University of Vienna Vienna Austria
3. Department of Dermatology and Venereology State Hospital Wiener Neustadt Austria
4. Department of Dermatology and Venereology Hospital of Wels‐Grieskirchen Wels‐Grieskirchen Austria
5. Department of Dermatology Hietzing Hospital Vienna Austria
6. Department of Dermatology and Venereology University Hospital St Pölten St Pölten Austria
7. Department of Dermatology Hospital of Elisabethinen Linz Austria
8. Department of Dermatology and Venereology Kepler University Hospital Linz Austria
9. Department of Dermatology and Venereology State Hospital of Vienna Rudolfstiftung Vienna Austria
10. Department of Dermatology, Venereology and Allergology Medical University of Innsbruck Innsbruck Austria
11. Department of Dermatology and Venereology State Hospital Klagenfurt Austria
12. Department of Dermatology and Allergology Paracelsus Medical University Salzburg Austria
13. Department of Dermatology and Venereology Federal Academic Teaching Hospital Feldkirch Austria
14. Health Center Vienna‐Nord Vienna Austria
15. Institute for Medical Informatics, Statistics, and Documentation Medical University of Graz Graz Austria