van Ewijk Reyn J G, Painter Rebecca C, Roseboom Tessa J
Institute of Medical Biostatistics, Epidemiology, and Informatics, University Medical Center Mainz, Mainz, Germany.
Am J Epidemiol. 2013 Apr 15;177(8):741-2. doi: 10.1093/aje/kwt022. Epub 2013 Mar 13.