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Lars Fischer*, Hanns P Knaebel, Henriette Golcher, Thomas Bruckner, Markus K Diener, Jeannine Bachmann, Markus W Büchler and Christoph M Seiler
* Corresponding author: Lars Fischer lars.fischer@med.uni-heidelberg.de
BMC Surgery 2012, 12:2 doi:10.1186/1471-2482-12-2