1. Department of Dermatology, Venereology, and Allergology; University Hospital Essen; Hufelandstraße 55 D-45147 Essen Germany
2. School of Nursing; University Medical Center Tübingen; Geissweg 3 D-72076 Tübingen Germany
3. Engels Consults; Gartenstr. 25 D-51429 Bergisch Gladbach Germany
4. Consulting and Training in Wound Management; Anne-Frank-Str. 10 D-48480 Spelle Germany
5. Department of Vascular Medicine; Helios Medical Center Krefeld; Lutherplatz 40 D-47805 Krefeld Germany
6. WPM Wound Care Management LLC; Professor-Knesl-Platz 11 A-2222 Bad Pirawarth Austria
7. Department of Dermatology; University Hospital Zurich; Gloriastr. 31 CH-8091 Zurich Switzerland
8. School of Health; University of Applied Sciences and Arts Western Switzerland; Avenue de Champel 47 CH-1206 Geneva Switzerland
9. Wound Center Hamburg e. V.; Bachstr. 75 D-22083 Hamburg Germany
10. Center for Venous Disorders Bellevue; Surgery/Vascular Surgery FEBVS, Phlebology SGP; Brückenstrasse 9 CH-8280 Kreuzlingen Switzerland
11. Center for Medical Rehabilitation Bellikon; Mutschellenstrasse 2 CH-5454 Bellikon Switzerland
12. Department of Dermatology and Venereology; Feldkirch State Hospital, Academic Teaching Hospital; Carinagasse 45-47 A-6800 Feldkirch Austria