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Carsten Kamphues*, Sabine Engel, Timm Denecke, Roberta Bova, Michael Hippler-Benscheidt, Gero Puhl, Peter Neuhaus and Daniel Seehofer
* Corresponding author: Carsten Kamphues carsten.kamphues@charite.de
BMC Surgery 2011, 11:16 doi:10.1186/1471-2482-11-16