Wallstén, Elin https://orcid.org/0000-0002-3353-6501
Axelsson, Jan
Jonsson, Joakim
Karlsson, Camilla Thellenberg
Nyholm, Tufve
Larsson, Anne
Funding for this research was provided by:
Swedish Cancer Foundation
Cancer Research Foundation in Northern Sweden
Article History
Received: 12 June 2020
Accepted: 4 November 2020
First Online: 23 November 2020
Ethics approval and consent to participate
: All procedures performed in this study were in accordance with the ethical standards of the national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the Regional Ethical Review Board at Umeå University (Dnr 2013-154-31 M and 2015-75-32). All patients signed a written informed consent form for the purpose of anonymized evaluation and publication of the data.
: Not applicable.
: Authors Joakim Jonsson and Tufve Nyholm are part owners in Nonpi Medical AB. All other co-authors have no potential competing interest to report.