Ala'a Alkerwi*, Anne-Françoise Donneau, Nicolas Sauvageot, Marie-Lise Lair, André Scheen, Adelin Albert and Michèle Guillaume
* Corresponding author: Ala'a Alkerwi alaa.alkerwi@crp-sante.lu
BMC Public Health 2011, 11:4 doi:10.1186/1471-2458-11-4
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