[1] VU Med Ctr, Canc Ctr Amsterdam, Neurooncol Res Grp, Dept Neurosurg, Amsterdam, Netherlands
[2] Umea Univ, Dept Radiat Sci, Umea, Sweden
[3] Massachusetts Gen Hosp, Dept Neurol, Boston, MA 02114 USA
[4] Massachusetts Gen Hosp, Dept Radiol, Boston, MA 02114 USA
[5] Harvard Univ, Sch Med, Neurosci Program, Boston, MA 02115 USA
[6] Umea Univ, Dept Clin Immunol, Umea, Sweden