Authors: Dennis R Buis; Frank J Lagerwaard; Frederik Barkhof; Clemens M F Dirven; Geert J Lycklama; Otto W M Meijer; René van den Berg; Hans A Langendijk; Ben J Slotman; W Peter Vandertop Journal: Int J Radiat Oncol Biol Phys Date: 2005-05-01 Impact factor: 7.038