Hartmut Vatter -
Department of Neurosurgery, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany
Jürgen Konczalla -
Department of Neurosurgery, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany
Stefan Weidauer -
Institute for Neuroradiology, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany
Christine Preibisch -
Institute for Neuroradiology, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany
Andreas Raabe -
Department of Neurosurgery, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany
Michael Zimmermann -
Department of Neurosurgery, Hospital Duisburg-North, Duisburg, Germany
Volker Seifert -
Department of Neurosurgery, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany