Amdal, Cecilie Delphin https://orcid.org/0000-0001-8422-8085
Falk, Ragnhild Sørum https://orcid.org/0000-0001-8398-3492
Singer, Susanne https://orcid.org/0000-0001-5784-7964
Pe, Madeline
Piccinin, Claire https://orcid.org/0000-0002-3918-1174
Bottomley, Andrew
Appiah, Lambert Tetteh https://orcid.org/0000-0002-8895-2000
Arraras, Juan Ignacio https://orcid.org/0000-0002-4415-2570
Bayer, Oliver https://orcid.org/0000-0003-4648-9481
Buanes, Eirik Alnes https://orcid.org/0000-0002-1295-6734
Darlington, Anne Sophie https://orcid.org/0000-0003-4387-7278
Arbanas, Gracia Dekanic https://orcid.org/0000-0002-6325-1398
Hofsø, Kristin https://orcid.org/0000-0002-5854-8461
Holzner, Bernard https://orcid.org/0000-0002-3389-3621
Sahlstrand-Johnson, Pernilla https://orcid.org/0000-0001-5146-3636
Kuliś, Dagmara https://orcid.org/0000-0002-2289-2113
Parmar, Ghansyam https://orcid.org/0000-0002-4614-9797
Rmeileh, Niveen M. E. Abu https://orcid.org/0000-0003-0831-9692
Schranz, Melanie https://orcid.org/0000-0003-4476-0020
Sodergren, Samantha https://orcid.org/0000-0001-8755-146X
Bjordal, Kristin https://orcid.org/0000-0002-1914-494X
Funding for this research was provided by:
Medisinske fakultet, Universitetet i Oslo (project nr 102372066)
Oslo University Hospital (project number 41595, project nr 35444)
Departamento de Salud, Gobierno de Navarra (0011-3638-2020-000012)
University of Oslo
Article History
Accepted: 5 October 2022
First Online: 23 October 2022
Declarations
:
: All authors declare no competing interests. Susanne Singer received honoraria for reviewing manuscripts for the Lilly Quality of Life Award, outside of this study. Copyright of the questionnaire belongs to Oslo University Hospital. The questionnaire will be freely available for academic users. Do not use without permission. For information on, or permission to use The Oslo COVID QLQ-W61© , please contact Mapi Research Trust at .
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Regional Ethical Committee, Norway <i>(Date 12.10.2020/ ref:171640)</i>, Oslo University Hospital Ombudsman, (Date 05.11.2020/ref 20/21865) and in addition, by the appropriate institutional committees and ethical committees in participating countries.
: All participants provided written informed consent before they were included in the study.