Funding for this research was provided by:
Knut och Alice Wallenbergs Stiftelse
Västerbotten Läns Landsting
Regionala forskningsrådet i Uppsala-Örebroregionen (RFR in Uppsala-Örebro)
Vetenskapsrådet funding for clinical research in medicine (ALF) in Västerbotten
Cancer Research Foundation in Northern Sweden (SE)
Stiftelsen Emil Anderssons fond för Medicinsk forskning
Text and Data Mining valid from 2018-08-03
Received: 1 March 2018
Accepted: 24 July 2018
First Online: 3 August 2018
Ethics approval and consent to participate
: The study was approved by the local ethical committee (original dnr: 2007/71-31 with latest amendment 2017/190-32, both EPN-Stockholm).
: The authors declare that they have no competing interests.
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