Funding for this research was provided by:
The Liaison Committee for education, research and innovation in Central Norway
Cancer Fund St. Olavs Hospital (57/13)
The Norwegian Cancer Society
Text and Data Mining valid from 2017-12-22
Received: 18 May 2017
Accepted: 18 December 2017
First Online: 22 December 2017
Compliance with ethical standards
: All procedures performed in this study were in accordance with the ethical standards of the regional ethics committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.
: Stein Kaasa reports stock ownership in Eir Soloutions AS. Barry Laird reports personal fees from Chugai, outside the submitted work. Ola Magne Vagnildhaug, Trude Rakel Balstad, Sigrun Saur Almberg, Cinzia Brunelli, Anne Kari Knudsen, Morten Thronæs, and Tora Skeidsvoll Solheim have nothing to disclose.