Funding for this research was provided by:
Vetenskapsrådet (2014– 2271)
Cancerfonden (CAN 2016/684)
Cancerföreningen i Stockholm (141092)
Text and Data Mining valid from 2018-04-17
Received: 20 September 2017
Accepted: 9 March 2018
First Online: 17 April 2018
Ethics approval and consent to participate
: All participants signed informed consent forms, and the ethical review board at Karolinska Institutet approved the study (2010/958-31/1).
: All authors approved the manuscript and consented to its publication.
: The authors declare that they have no competing interests.
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