Bergström, Helena
Brånvall, Elsa
Helde-Frankling, Maria
Björkhem-Bergman, Linda
Funding for this research was provided by:
Stockholms Läns Landsting (ALF20160036)
Cancerfonden (CAN 2015/249 and CAN 2017/233)
Article History
Received: 27 August 2018
Accepted: 11 October 2018
First Online: 20 October 2018
Ethics approval and consent to participate
: The study was approved by the local Ethical Committee at Karolinska Institutet (Dnr: 2014/455-31/4 and 2015/776-31) and was performed in accordance with the Declaration of Helsinki. Written informed consent was obtained from all study participants before inclusion.
: Not applicable.
: The authors declare that they have no competing interests.
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