Stimare le porzioni, qual è l’approccio migliore?

Amoutzopoulos B, Page P, Roberts C, Roe M, Cade J, Steer T, Baker R, Hawes T, Galloway C, Yu D, Almiron-Roig E. Portion size estimation in dietary assessment: a systematic review of existing tools, their strengths and limitations. Nutr Rev.…