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Jane C Stinchcombe, Mariolina Salio, Vincenzo Cerundolo, Daniela Pende, Maurizo Arico and Gillian M Griffiths*
* Corresponding author: Gillian M Griffiths gg305@cam.ac.uk
BMC Biology 2011, 9:45 doi:10.1186/1741-7007-9-45