Vilén, Suvi-Tuuli
Ahde, Hanna
Puolakka, Tuukka
Mäkitie, Antti
Uittamo, Johanna
Snäll, Johanna
Funding for this research was provided by:
University of Helsinki including Helsinki University Central Hospital
Article History
Received: 5 December 2022
Accepted: 24 February 2023
First Online: 15 March 2023
Declarations
:
: The study was approved by the Internal Review Board of the Head and Neck Center, Helsinki University Hospital, Helsinki, Finland (58/2020). The Internal Review Board of the Head and Neck Center waived the requirement of informed consent due to the retrospective nature of this study. The guidelines of the Declaration of Helsinki were followed in this study.
: Not applicable.
: The authors declare no competing interests.