Designing a children’s health exposomics study protocol: The CHILDREN_FIRST multi-country prospective cohort using multi-omics and personalized prevention approaches - Corina Konstantinou; Georgia Soursou; Samuel Abimbola; Pantelis Charisiadis; Angelos Kyriacou; Theofano Modestou; Michalis Tornaritis; Charalambos Hadjigeorgiou; Agapios Agapiou; Efstathios A. Elia; George Milis; Alexis Kyriacou; et al. (PLoS ONE, 2026)