1. Department of Internal Medicine, Riverside Methodist Hospital/OhioHealth, Columbus, OH, USA
2. Department of Cardiovascular Surgery, Hesperia Hospital, Modena, Emilia-Romagna, Italy
3. Department of Vascular Surgery, Vascular Care Centre, Wollongong, NSW, Australia
4. Department of Surgery, University of New South Wales, Sydney, NSW, Australia
5. Department of Vascular Surgery, Hospital Quironsalud, Marbella, Spain
6. Department of Vascular Surgery, Guy’s and St Thomas’ NHS Foundation Trust, London, UK
7. Centre de Phlébologie Interventionnelle, Région de Toulouse, Clinique Pasteur, Toulouse, France
8. Angiology Department, Arnsberg Vascular Center, Arnsberg, Germany
9. Boston Healthcare Associates Inc., Boston, MA, USA
10. Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, TN, USA