- Address correspondence and reprint requests to Randi Elin Gislefoss, PhD, Department of Research, Institute of Population-based Cancer Research, Cancer Registry of Norway, Postbox 5313, Majorstuen, N-0304 Oslo, Norway. E-mail: .
- Received April 7, 2015
- Accepted June 10, 2015
- First published November 1, 2015.
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