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Juan Antonio Costa-Orvay, Josep Figueras-Aloy*, Gerardo Romera, Ricardo Closa-Monasterolo and Xavier Carbonell-Estrany
* Corresponding author: Josep Figueras-Aloy jfiguer@clinic.ub.es
Nutrition Journal 2011, 10:140 doi:10.1186/1475-2891-10-140