Funding for this research was provided by:
Universitätsklinikum Würzburg
Article History
Received: 28 July 2020
Accepted: 20 October 2020
First Online: 3 November 2020
Change Date: 28 January 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1007/s00405-021-06619-6
Compliance with ethical standards
:
: There is no potential conflict of interest by the authors.
: All procedures performed in this study involving human participants were in the accordance with ethical standards of the hospital and with the Declaration of Helsinki (2013). Formal consent was obtained from every participant prior to the study. The study was approved by the Ethical Commission of the Medical University of Würzburg, Germany (Nr. 54/17).