Text and Data Mining valid from 2018-10-05
Received: 13 July 2018
Revised: 27 August 2018
Accepted: 25 September 2018
First Online: 5 October 2018
Compliance with ethical standards
: Drs Noack and Vannan have received a speaker honorarium from Siemens Healthcare. Philipp Kiefer, Linda Mallon, Philipp Lurz, Carmine Bevilacqua, Joergen Banusch, Fabian Emrich, David M Holzhey, Holger Thiele, Friedrich-Wilhelm Mohr, Michael Andrew Borger, Joerg Ender and Joerg Seeburger declare that they have no conflict of interest.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later revisions.
: Informed consent was obtained from all patients for being included in the study.