Steiger, Hans-Jakob http://orcid.org/0000-0002-8249-2998
Petridis, Athanasios K.
Tortora, Angelo
Mijderwijk, Hendrik-Jan
Beseoglu, Kerim
van Lieshout, Jasper H.
Kamp, Marcel A.
Fischer, Igor
Article History
Received: 9 July 2019
Accepted: 29 October 2019
First Online: 23 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee (Medical Faculty of the Heinrich-Heine-University, Düsseldorf) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.