Barz, Christoph
Stöss, Christian
Neumann, Philipp-Alexander
Wilhelm, Dirk
Janssen, Klaus-Peter
Friess, Helmut
Nitsche, Ulrich http://orcid.org/0000-0002-8501-5652
Funding for this research was provided by:
Technische Universität München
Article History
Accepted: 6 April 2021
First Online: 14 April 2021
Declarations
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of the Technical University of Munich, as stated in the methods part. The study report follows the STROBE statement for observational studies.
: The authors declare no competing interests.