Malinova, Vesna http://orcid.org/0000-0002-0062-7490
Tsogkas, Ioannis
Behme, Daniel
Rohde, Veit
Psychogios, Marios Nikos
Mielke, Dorothee
Article History
Received: 4 October 2018
Revised: 13 January 2019
Accepted: 21 January 2019
First Online: 2 February 2019
Compliance with ethical standards
: I declare that I have no conflicts of interest. Ioannis Tsogkas, Daniel Behme, Veit Rohde, and Dorothee Mielke declare that they have no conflicts of interest. Marios Nikos Psychogios declares receiving speakers’ honoraria from Siemens.
: The study was approved by the local ethics committee (Number 22/11/12). A patient’s consent for treatment was obtained according to the individual institutional guidelines. Due to a retrospective analysis of prospectively collected data additional informed consent was deemed unnecessary. This study was conducted according to the principles of the Helsinki Declaration [CitationRef removed]. This study was not funded.