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Article History

First Online: 15 July 2019

Compliance with Ethical Standards

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: Hans-Ulrich Kauczor reports grants, personal fees, and non-financial support from Siemens, grants and personal fees from Philips, personal fees from Boehringer Ingelheim, and personal fees from Bracco, outside the submitted work.

: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

: Informed consent was obtained from all individual participants included in the study.