Schindele, Alexandra http://orcid.org/0000-0003-0007-8716
Holm, Anna http://orcid.org/0000-0003-3522-1842
Nylander, Karin http://orcid.org/0000-0002-4831-4100
Allard, Annika http://orcid.org/0000-0001-6949-1213
Olofsson, Katarina http://orcid.org/0000-0002-0649-3825
Funding for this research was provided by:
FoU-enheten, Region Jämtland Härjedalen (JLL-939740)
Cancer Research Foundation Northern Sweden (LP 16-2020, LP 16-2020, LP 16-2020)
Region Västerbotten (RV938896, RV938896, RV938896)
Umea University
Article History
Received: 3 January 2022
Accepted: 2 March 2022
First Online: 21 March 2022
Declarations
:
: This study was performed in line with the principles of the Declaration of Helsinki. The study was approved by the Regional Ethical Review Board of Umeå University, Sweden, approval number 2010-277-31 M (with addendum 2011-114-32 M, 2012-276-32 M, 2015-323-32 M and 2017-543-32 M). Samples were obtained with permission from the Biobank North (Västerbotten Regional Council 2018-05-09 (2013-03-26) approval number 472-13-008). We confirm that all methods were performed in accordance with the relevant guidelines and regulations according to the STROBE checklist of cross-sectional studies. Patients gave their consent for tissue banking and research prior to diagnostic surgery at the ENT clinics in northern Sweden.
: Not applicable.
: The authors report no conflicts of interest.