Maartje M van Stralen, Saskia J te Velde, Amika S Singh, Ilse De Bourdeaudhuij, Marloes K Martens, Maria van der Sluis, Yannis Manios, Evangelia Grammatikaki, Mai JM Chinapaw¹, Lea Maes, Elling Bere, Jorgen Jensen, Luis Moreno, Nataša Jan, Dénes Molnár, Helen Moore, Johannes Brug
BMC Public Health. 2011; 11: 65. Published online 2011 January 31. doi: 10.1186/1471-2458-11-65