Won, Eun Kyunga; Zahner, Michael C.a; Grant, Elizabeth A.b; Gore, Pankaja; Chicoine, Michael R.a
aDepartment of Neurosurgery
bDivision of Biostatistics, Washington University School of Medicine, and the Alvin Siteman Cancer Center at Barnes-Jewish Hospital, St Louis, MO, USA
Correspondence to M. R. Chicoine, Department of Neurosurgery, Washington University School of Medicine, Campus Box 8057, 660 South Euclid, St Louis, MO 63110, USA.
Tel: +1 314 362-4313; fax: +1 314 362-2107;
e-mail: [email protected]
Received 14 April 2003 Revised form accepted 13 May 2003