There is a very good video on the site  -in English, French and Spanish- where the study´s methodology is presented.  I really like the languange used and the fact that the charts will be used "prescriptively": This is the way a child with proper access to food SHOULD grow, where "proper access to food" means, breastfed as the golden standard....................finally.

...........here is the link to the video http://terrance.who.int/mediacentre/videos/who11621.wmv

Lavinia Belli, LLL, IBCLC
Norway

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