Koller, S.
Craveiro, R. B.
Niederau, C.
Pollak, T. L.
Knaup, I.
Wolf, M.
Funding for this research was provided by:
Universitätsklinikum RWTH Aachen
Article History
Received: 5 February 2021
Accepted: 22 February 2022
First Online: 31 March 2022
Declarations
:
: S. Koller, R.B. Craveiro, C. Niederau, T.L. Pollak, I. Knaup and M. Wolf declare that they have no competing interests. M. Wolf declares educational lectures and scientific exchange with Dentaurum. The authors declare that the study design, data analysis, interpretation and manuscript preparation does not provide a conflict of interest and was performed by the authors independently.
: The study was performed in consent with the local ethics committee (EK 232-20). The study was conducted with full accordance with the ethical requirements of the World Medical Association Declaration of Helsinki (2008).