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. 2015 Apr 23;15:308. doi: 10.1186/s12885-015-1317-7

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© Jensen et al.; licensee BioMed Central. 2015

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Flowchart for cancer patients. Boxes on the left indicate exclusion of patients who did not meet the inclusion criteria and boxes on the right indicate drop-outs due to non-response and missing data.