Ketabi, Ali-Reza http://orcid.org/0000-0001-5752-2529
Hassfeld, Stefan
Lauer, Hans-Christoph
Piwowarczyk, Andree
Funding for this research was provided by:
Private Universität Witten/Herdecke gGmbH
Article History
Received: 28 February 2023
Accepted: 5 September 2023
First Online: 19 September 2023
Declarations
:
: The study was registered at the University of Frankfurt (file number: 419/2017): ethical approval was sought and approved by the Medical Council of Baden-Württemberg, Germany (reg. no. F-2014-006-z). The analysis was undertaken in accordance with the Declaration of Helsinki.
: Not applicable.
: Ali Reza Ketabi, Stefan Hassfeld, Hans-Christoph Lauer and Andree Piwowarczyk hereby declare that they have no conflict of interests.