Funding for this research was provided by:
Sigrid Juséliuksen Säätiö
Emil Aaltosen Säätiö
Finnish Cancer Society
Oulu University Hospital MRC grant
Helsinki University Central Hospital Research Funds
Received: 9 May 2019
Accepted: 17 July 2019
First Online: 22 July 2019
Ethics approval and consent to participate
: Our institutional Research Ethics Board (14.03.2016 Eettmk 84) approved this study setting. Patient participation was voluntary and required informed consent.
: Informed consent was obtained from each patient prior to study onset.
: The authors declare that they have no competing interests.