Madssen, Torfinn S.
Thune, Inger
Flote, Vidar G.
Lundgren, Steinar
Bertheussen, Gro F.
Frydenberg, Hanne
Wist, Erik
Schlichting, Ellen
Schäfer, Hartmut
Fjøsne, Hans E.
Vettukattil, Riyas
Lømo, Jon
Bathen, Tone F.
Giskeødegård, Guro F.
Article History
Received: 14 January 2018
Revised: 6 July 2018
Accepted: 10 July 2018
First Online: 7 November 2018
<!--Emphasis Type='Bold' removed-->Ethics approval and consent to participate
: The study was approved by The Regional Committee for Medical and Health Research Ethics South East (REK 2011/500), and all patients gave informed written consent to participate. The study was performed in accordance with the Declaration of Helsinki.
: This work was supported by grants from the South–East Norwegian Health Authority (Grant 2012064), Norwegian Research Council (Grant 213997), Active Against Cancer-Gjensidige Siftelsen (Grant 2012) and the Norwegian Cancer Society (Grant 163243).
: The metabolomics data can be made available from the authors upon request.
: The authors declare no competing interests.
: This work is published under the standard license to publish agreement. After 12 months the work will become freely available and the license terms will switch to a Creative Commons Attribution 4.0 International (CC BY 4.0).