From the Department of Clinical Medicine, University of Insubria, Varese, Italy (W.A.); Department of Internal Medicine, University of Perugia, Italy (C.B.); SEALS, Prince of Wales Hospital, Sydney, Australia (T.B.); Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada (R.S.); and Vascular Medicine, Academic Medical Center, Amsterdam, the Netherlands (P.W.K.). (At 2008-01)