WHO European Childhood Obesity Surveillance Initiative: body mass index and level of overweight among 6-9-year-old children from school year 2007/2008 to school year 2009/2010.
Trudy MA Wijnhoven, Joop van Raaij, Spinelli, Gregor Starc, Maria Hassapidou, Igor Spiroski, Harry Rutter, Éva Martos, Ana Rito, Napoleón Pérez-Farinós, Nazih Eldin, Lien Braeckevelt, Iveta Pudule, Marie Kunešová, Petrauskiene, João Breda, Hovengen2014Tijdschriftartikel