<p>This is an Open Access article distributed under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/2.0"/>), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</p>
<p>Dr. Schweitzer submitted this article [##REF##17266746##1##] to BMC Medical Imaging on the assumption that he and his co-authors had permission to use the data presented within. Since this is not the case, the authors asked for the article to be removed. Dr. Schweitzer is deeply sorry for any inconvenience this may have caused to the editorial and publishing staff. An apology is also extended to the readers and manufacturers of the scanners that were tested.</p> <title>Pre-publication history</title> <p>The pre-publication history for this paper can be accessed here:</p> <p><ext-link ext-link-type="uri" xlink:href="http://www.biomedcentral.com/1471-2342/8/15/prepub"/></p>
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BMC Med Imaging. 2008 Aug 11; 8:15