1. From the Institution of Surgical Sciences, Department of Vascular Surgery, Uppsala University, Sweden (K.S., K.M., M.B., A.W.); Department of Vascular Surgery, Na Homolce Hospital, Prague, Czech Republic (P.S.); Department of Vascular Surgery, Karolinska Hospital, Stockholm, Sweden (C.-M.W.); Department of Vascular Surgery, Guy’s & St. Thomas’ Hospital, London, United Kingdom (R.E.C., P.T., O.L.); St. George’s Vascular Institute, London, United Kingdom (M.T., J. Brownrigg); Department of...