Funding for this research was provided by:
National Cancer Institute (CA114329)
Seventh Framework Programme (MC-IIF-623984)
Lion's Cancer Foundation, Northern Sweden University Hospital
Received: 10 March 2017
Accepted: 29 June 2017
First Online: 18 July 2017
Ethics approval and consent to participate
: This study was approved by the Regional Ethics Committee of Umeå, Sweden (#05-005 M). Information allowing the identification of human subjects was removed from the analytic database and serum specimens used in laboratory analyses were labeled with anonymous codes. Individual informed consent was not required.
: Not applicable.
: The authors declare that they have no competing interests.
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