1. From the Gaubius Laboratory TNO-Quality of Life (A.S., D.E., J.M.G., M.R.d.V., V.v.W., P.H.A.Q.), Leiden; the Department of Vascular Surgery (A.S., D.E., V.v.W., J.H.v.B., P.H.A.Q.), Leiden University Medical Centre, Leiden; and the Department of Medical Biochemistry (P.I.B., C.J.d.V.), Academic Medical Center, Amsterdam, The Netherlands; and the Graduate School of Medical Sciences (K.E.), Kyushu University, Fukuoka, Japan.