All authors wrote, read and approved the final manuscripts. This work was commissioned by the Fundación Iberoamericana de Nutrición (FINUT), a non-profit organisation whose trustees are the International Union of Nutritional Sciences (IUNS) and the Sociedad Española de Nutrición (SEN), and fully supported by the Hero Group through its Institute for Infant Nutrition.

This publication was coordinated by Prof. Angel Gil, who had primary responsibility for revision and final contents, and Dr Yolanda Sanz. The opinions expressed herein are those of the authors and do not necessarily represent the views of FINUT nor those of their institutions or companies.

The authors and editors would like to thank Dr Marisa Vidal, Scientific Communication Manager, Hero Group, for her generous support and for all the administrative help.