

Financial disclosures:
Pernilla Wikstro¨m certifies that all conflicts of
interest, including specific financial interests and relationships and
affiliations relevant to the subject matter or materials discussed in the
manuscript (eg, employment/affiliation, grants or funding, consultan-
cies, honoraria, stock ownership or options, expert testimony, royalties,
or patents filed, received, or pending), are the following: None.
Funding/Support and role of the sponsor:
This study was supported by
grants from Swedish Research Council (K2013-64X-20407-04-3), the
Swedish Cancer Society (CAN 2013/845 and CAN 2013/1324), The
Swedish Foundation for Strategic Research (RB13-0119), Cancer
Research Foundation in Northern Sweden, Umea˚ University, the county
of Va¨sterbotten, and the Erling-Persson Family Foundation. The sponsors
played no direct role in the study.
Acknowledgments:
The authors are grateful to Pernilla Andersson and
Susanne Gidlund for excellent technical assistance.
Appendix A. Supplementary data
Supplementary data associated with this article can be
found, in the online version, at
http://dx.doi.org/10.1016/j. eururo.2016.07.033 .References
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