Revision of the CEAP classification for chronic venous disorders: consensus statement - Eklöf, B; Rutherford, RB; Bergan, JJ; Carpentier, PH; Gloviczki, P; Kistner, RL; Meissner, MH; Moneta, GL; Myers, K; Padberg, FT; Perrin, M; Ruckley, CV; Smith, PC; Wakefield, TW; American Venous Forum International Ad Hoc Committee for Revision of the CEAP Classification (J Vasc Surg, 2004)