The original version of this article [1] 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. Miermeister1, Stephan Petersenn2, Michael Buchfelder3, Rudolf Fahlbusch4, Dieter K. Lüdecke5, Annett Hölsken1, Markus Bergmann6, Ulrich Johannes Knappe 7, Volkmar H. Hans8, Jörg Flitsch5, Wolfgang Saeger9 and Rolf Buslei1*