Venous Insufficiency

• The Ottawa Hospital General Campus — Ottawa, Ontario, Canada
• Windsor Regional Hospital — Windsor, Ontario, Canada
• Centre de recherche du Centre hospitalier de l'Université de Montréal — Montreal, Quebec, Canada
• The Sir Mortimer B. Davis Jewish General Hospital — Montreal, Quebec, Canada

• Honor Health — Scottsdale, Arizona, United States
• Pima Heart and Vascular — Tucson, Arizona, United States
• UCI Medical Center — Orange, California, United States
• Vascular and Interventional Specialists of Orange County — Orange, California, United States

• Renji hospital — Shanghai, China

• Renji hospital — Shanghai, China

• University Hospital Galway — Galway, Ireland

• St. Thomas' Hospital — London, United Kingdom

• Renji Hospital — Shanghai, Shanghai Municipality, China

• Foothills Medical Centre — Calgary, Alberta, Canada
• Queen Elizabeth II Hospital — Halifax, Nova Scotia, Canada
• Hamilton General Hospital — Hamilton, Ontario, Canada
• St. Joseph's Healthcare — Hamilton, Ontario, Canada

• Pirogov Russian National Research Medical University — Moscow, Russia

Not specified