title: Erratum: Histological criteria for atypical pituitary adenomas--data from the German pituitary adenoma registry suggests modifications.
abstract: The original version of this article unfortunately contained a mistake in the author list. The name of one co-author is written wrong in the final version of the article; Dr Hans Ulrich Knappe should be Ulrich Johannes Knappe. The updated author list is provided below: Christian P. Miermeister, Stephan Petersenn, Michael Buchfelder, Rudolf Fahlbusch, Dieter K.Lüdecke, Annett Hölsken, Markus Bergmann, Ulrich Johannes Knappe, Volkmar H. Hans, Jörg Flitsch, Wolfgang Saeger and Rolf Buslei.
authors.affiliation: Departments of Neuropathology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054, Erlangen, Germany.
authors.forename: Christian P
authors.initials: CP
authors.lastname: Miermeister
authors.affiliation: ENDOC Center for Endocrine Tumors, Hamburg & University of Duisburg-Essen, Essen, Germany.
authors.forename: Stephan
authors.initials: S
authors.lastname: Petersenn
authors.affiliation: Departments of Neurosurgery, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany.
authors.forename: Michael
authors.initials: M
authors.lastname: Buchfelder
authors.affiliation: Department of Neurosurgery, International Neuroscience Institute, Hannover, Germany.
authors.forename: Rudolf
authors.initials: R
authors.lastname: Fahlbusch
authors.affiliation: Departments of Neurosurgery, University Clinic Hamburg-Eppendorf, Hamburg, Germany.
authors.forename: Dieter K
authors.initials: DK
authors.lastname: Lüdecke
authors.affiliation: Departments of Neuropathology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054, Erlangen, Germany.
authors.forename: Annett
authors.initials: A
authors.lastname: Hölsken
authors.affiliation: Department of Neuropathology, Klinikum Bremen Mitte, Bremen, Germany.
authors.forename: Markus
authors.initials: M
authors.lastname: Bergmann
authors.affiliation: Department of Neurosurgery, Johannes Wesling Hospital Minden, Minden, Germany.
authors.forename: Ulrich Johannes
authors.initials: UJ
authors.lastname: Knappe
authors.affiliation: Department of Pathology, Ruhr University Bochum, Bochum, Germany.
authors.forename: Volkmar H
authors.initials: VH
authors.lastname: Hans
authors.affiliation: Departments of Neurosurgery, University Clinic Hamburg-Eppendorf, Hamburg, Germany.
authors.forename: Jörg
authors.initials: J
authors.lastname: Flitsch
authors.affiliation: Departments of Neuropathology, University Clinic Hamburg-Eppendorf, Hamburg, Germany.
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Saeger
authors.affiliation: Departments of Neuropathology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054, Erlangen, Germany. rolf.buslei@uk-erlangen.de.
authors.forename: Rolf
authors.initials: R
authors.lastname: Buslei