المؤلفون: Ruiter, E L M, Fransen, G A J, Molleman, G R M, Hoeijmakers, M J H M, van der Velden, K, Engels, R C M E

المصدر: European Journal of Public Health ; volume 29, issue Supplement_4 ; ISSN 1101-1262 1464-360X

الاتاحة: https://doi.org/10.1093/eurpub/ckz186.263
http://academic.oup.com/eurpub/article-pdf/29/Supplement_4/ckz186.263/32632689/ckz186.263.pdf