Jérémy Vanhelst*, Rémy Hurdiel, Jacques Mikulovic, Gilles Bui-Xuân, Paul Fardy, Denis Theunynck and Laurent Béghin
* Corresponding author: Jérémy Vanhelst jeremy.vanhelst@chru-lille.fr
BMC Public Health 2012, 12:690 doi:10.1186/1471-2458-12-690
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