Safi, S. A. http://orcid.org/0000-0002-9874-9225
Fluegen, G.
Rehders, A.
Haeberle, L.
Fung, S.
Keitel, V.
Krieg, A.
Knoefel, W. T.
Lehwald-Tywuschik, N.
Funding for this research was provided by:
Heinrich-Heine-Universität Düsseldorf
Article History
Received: 14 January 2021
Accepted: 3 June 2021
First Online: 16 June 2021
Declarations
:
: The authors declare that they have no competing interests.
: This study was approved by the local institutional review board (Heinrich Heine University, Dusseldorf, Germany; study-no.: 2019–473-2). All procedures performed in this study were in accordance to 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.