Muts, Jacqueline https://orcid.org/0000-0001-9471-8168
Ruys, Charlotte A. https://orcid.org/0000-0002-7887-7246
Finken, Martijn J. J. https://orcid.org/0000-0002-6589-9788
Rotteveel, Joost https://orcid.org/0000-0001-7635-564X
van Goudoever, Johannes B. https://orcid.org/0000-0003-3960-1703
van den Akker, Chris H. P. https://orcid.org/0000-0002-5494-730X
van de Lagemaat, Monique https://orcid.org/0000-0002-1588-6049
,
van den Akker, Chris H. P.
van de Lagemaat, Monique
Ruys, Charlotte A.
Schrijver-Levie, Nathalie S.
Boonstra, Venje
von Lindern, Jeannette S.
de Winter, Peter
van Brakel, Monique J.
Drewes, Aernoud J.
Westra, Matthijs
Article History
Received: 10 March 2025
Revised: 27 November 2025
Accepted: 25 January 2026
First Online: 7 February 2026
Competing interests
: M. van de Lagemaat, CA Ruys, J Muts, MJJ Finken, and J Rotteveel: all report no conflicts of interest. JB van Goudoever: Member of the Dutch National Health Institute and founder and director of the Dutch National Human Milk Bank. CHP van den Akker reports receipt of speakers' and consultancy honoraria from Nestlé Nutrition Institute, Nutricia Early Life Nutrition, and Baxter; used as research funds. He is vice-director of the Dutch National Human Milk Bank and a member of the National Breastfeeding Council since 2024.
: The LEGO study was reviewed and approved by the Medical Research Ethics Committee of Amsterdam UMC, location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands (NTR NL4979).