1. Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
2. Department of Dermatology, St Vincent’s Hospital, Sydney, Darlinghurst, NSW, Australia
3. Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
4. Dermatology, Phlebology and Fluid Mechanics Research Laboratory, St Vincent’s Centre for Applied Medical Research, Sydney, NSW, Australia
5. Australasian College of Phlebology, Chatswood, NSW, Australia
6. Department of Dermatology, Erasmus MC, Netherlands
7. University of Chicago Pritzker School of Medicine, Chicago, IL, USA
8. Eurocenter Venalinfa, Italy
9. Department of Surgery & Cancer, Imperial College London, UK
10. Department of Translational Medicine, University of Ferrara, Italy
11. French Society of Phlebology, Bourgoin-Jallieu, France
12. Department of Dermatology, Cardiff University, UK
13. French Society of Phlebology, Gattieres, France
14. Department of Vascular Medicine, Saint Martin Private Hospital Ramsay GdS, Caen,France and Paris Saint Joseph Hospital Group, France
15. Center for Vein Restoration, Mesa, Arizona, USA
16. Department of Angiology, MD Barbantini Clinic, Italy
17. San Sebastian University, Chile
18. Austrian Working Group for Phlebology, Austria
19. Emeritus, Department of Dermatology, University of Bonn, Germany
20. Dallas Non-Invasive Vascular Lab, Vein Institute of Texas, Texas, USA
21. French Society of Phlebology, France
22. Faculty of Medicine, University of Buenos Aires, Argentina
23. Bassi-Tessari Foundation, Italy
24. Central Vein and Cosmetic Medical Centre, Newcastle, Australia
25. Hospital Universitario Fundación Santa Fé - Universidad de los Andes, Bogotá, Colombia
26. The Whiteley Clinic, Guildford and London, UK
27. Department of Plastic and Reconstructive Surgery, Tokyo Women’s Medical University Adachi Medical Center, Japan
28. Zimmet Vein & Dermatology, Austin, TX, USA