Article History
Received: 14 October 2020
Accepted: 30 November 2020
First Online: 3 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Formal ethical approval was not required for this survey since it was questionnaire based. Protocol followed in studies involving human subjects were in compliance with the Helsinki declaration and further in accordance with local ethical guidelines of the institutional ethical committee of 3rd faculty of Medicine, Charles University, Prague, Czech Republic. Furthermore it was also approved by the Czech Society of Otorhinolaryngology and Head and Neck Surgery.
: Not applicable; completion of online survey implied consent to participate. All participants have been kept anonymous.
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