- Correspondence to Professor Siv Mørkved, Unit for Applied Clinical Research, Department of Cancer Research and Molecular Medicine, Medisinsk Tekninsk Forskningssenter, 7489 Trondheim, Norway;
- Received September 11, 2012
- Revised November 26, 2012
- Accepted December 5, 2012
- First published January 30, 2013.
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