Nutr. res. Nutr. res. Longitudinal associations between psychosomatic and emotional status and selected food portion sizes in European children and adolescents: IDEFICS/I.Family study Flieh Sondos M. Hebestreit Antje Pohlabeln Hermann Miguel-Berges María L. González-Gil Esther M. Russo Paola Molnár Dénes Wijnant Kathleen Lissner Lauren Do Stefanie Solea Tonia Veidebaum Toomas Moreno Luis A. Universidad de Zaragoza 2024 research-article