Schuit Ewoud, Groenwold Rolf H H, Harrell Frank E, de Kort Wim L A M, Kwee Anneke, Mol Ben Willem J, Riley Richard D, Moons Karel G M
Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands.
CMAJ. 2013 Jul 9;185(10):E499-505. doi: 10.1503/cmaj.120812. Epub 2013 Jan 21.