1 Multidisciplinary Joint Committee on Phlebology, European Board of Phlebology, Union Européenne des Médecins Spécialistes UEMS, Bruxelles, Belgium - [email protected].
2 Multidisciplinary Joint Committee on Phlebology, European Board of Phlebology, Union Européenne des Médecins Spécialistes UEMS, Bruxelles, Belgium.