Media type: E-Article Title: In Reply Contributor: Frederick Cornelius, Jan; Hänggi, Daniel; Sabel, Michael; Jakob Steiger, Hans; Josef Langen, Karl; Stoffels, Gabriele imprint: Ovid Technologies (Wolters Kluwer Health), 2012 Published in: Neurosurgery Language: English DOI: 10.1227/neu.0b013e31824869e6 ISSN: 0148-396X Keywords: Neurology (clinical) ; Surgery Origination: Footnote: