Yekta-Michael, Sareh Said
Färber, Christoph Maria
Heinzel, Alexander
Funding for this research was provided by:
RWTH Aachen University
Article History
Received: 23 December 2020
Accepted: 9 July 2021
First Online: 24 August 2021
Declarations
:
: Ethics approval and consent to participate: The study was performed in the dental faculty of RWTH Aachen University in Germany, after getting approval of the internal ethics committee. All participants voluntarily took part in this study and had at all time the opportunity to withdraw their approval without mentioning any reasons. Ethical approval (EK: 390/19) was obtained from the ethics committee of RWTH Aachen University.
: Not applicable.
: The authors declare that there were no competing interests.