Prodan, Natalia
Wagner, Philipp
Sonek, Jiri
Hoopmann, Markus
Mutz, Armin
Brucker, Sara
Kagan, Karl Oliver http://orcid.org/0000-0003-1497-5143
Article History
Received: 31 May 2019
Accepted: 7 October 2019
First Online: 15 October 2019
Compliance with ethical standards
:
: All authors declare that there is no conflict of interest.
: 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.
: This is a retrospective study involving ultrasound images from patients that were seen at the University of Tuebingen, Germany. All patients have agreed that clinical data can be used for retrospective studies. The study was approved by the local ethical committee. This is also stated in the Methods section (No. 350/2019BO2).