J. adolesc. health J. adolesc. health Socioeconomically Disadvantaged Groups and Metabolic Syndrome in European Adolescents: The HELENA Study Iguacel I. Universidad de Zaragoza Börnhorst C. Michels N. Breidenassel C. Dallongeville J. González-Gross M. Gottrand F. Kafatos A. Karaglani E. Kersting M. de Henauw S. Lambrinou C.P. Mistura L. Molnár D. Nova E. Gunter M.J. de la O Puerta A. Rupérez A.I. Widhalm K. Huybrechts I. Moreno L.A. Universidad de Zaragoza 2021 research-article