Electromagnetic tracking (EMT) technology for improved treatment quality assurance in interstitial brachytherapy - Kellermeier, Markus 1977-; Herbolzheimer, Jens; Kreppner, Stephan; Lotter, Michael; Strnad, Vratislav; Bert, Christoph (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2017)