Borch, Kristin Benjaminsen http://orcid.org/0000-0002-1741-2322
Weiderpass, Elisabete
Braaten, Tonje
Hansen, Merethe Selnes
Licaj, Idlir
Funding for this research was provided by:
EkstraStiftelsen Helse og Rehabilitering (2012/2/0048 - 1220048001)
Article History
Received: 15 November 2017
Accepted: 25 September 2018
First Online: 1 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.