Arpalahti, Annamari
Haapanen, Aleksi
Auro, Kirsi
Abio, Anne
Snäll, Johanna
Funding for this research was provided by:
Helsinki University Hospital Fund
Päivikki ja Sakari Sohlbergin Säätiö
University of Helsinki
Article History
Received: 22 July 2023
Accepted: 11 October 2023
First Online: 23 October 2023
Declarations
:
: The study was approved by the Internal Review Board of the Head and Neck Center, Helsinki University Hospital, Helsinki, Finland (HUS/356/2017). 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.