Cross-national variation of the association between family structure and BMI: findings from the Health Behaviour in School-aged Children (HBSC) study
Anne-Siri Fismen, Arnfinn Helleve, Oddrun Samdal, Robert Smith, Ellen Merethe Melingen Haug, Angeline Chatelan, Colette Kelly, Anna Dzielska, Paola Nardone, Marina Melkumova, Oya Ercan, Jaroslava Kopcakova, Giacomo Lazzeri, Knut Inge Klepp