1. Clinical Innovation, Welsh Wound Innovation Centre; Cardiff University School of Medicine; Cardiff UK
2. Facharzt für Dermatologie Phebologie Allergologie; Freiburg Germany
3. Department of Dermatology; Medical University of Vienna; Vienna Austria
4. Division of Vascular Surgery; NorthShore University HealthSystem; Evanston IL USA
5. The University of Chicago Pritzker School of Medicine; Chicago IL USA
6. Jobst Vascular Institute; Toledo OH USA