Lehwald-Tywuschik, Nadja
Vaghiri, Sascha
Schulte am Esch, Jan
Alaghmand, Salman
Klosterkemper, Yan
Schimmöller, Lars
Lachenmayer, Anja
Ashmawy, Hany
Krieg, Andreas
Topp, Stefan A.
Rehders, Alexander
Knoefel, Wolfram Trudo
Article History
Received: 15 October 2019
Accepted: 23 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: This study was approved by the local institutional review board (Heinrich Heine University, Duesseldorf, Germany; study-no.: 2018–258-KFogU). All procedures performed in this study were in accordance with the ethical standards in the 1964 Declaration of Helsinki and its later amendments. Informed consent was waived because no data regarding the cases were disclosed.
: Not applicable.
: The authors declare that they have no competing interests.