Kiefte-de Jong Jessica C, Chowdhury Rajiv, Franco Oscar H
Department of Epidemiology, Erasmus MC University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands.
Eur J Epidemiol. 2012 Dec;27(12):891-4. doi: 10.1007/s10654-012-9757-8. Epub 2013 Jan 3.