Published on in Vol 15, No 1 (2013): January
1 School of Public Health and Primary Care, Katholieke Universiteit Leuven, Leuven, Belgium
2 School of Public Health and Primary Care, Academic Center for General Practice, Katholieke Universiteit Leuven, Leuven, Belgium
3 Belgian Center for Evidence-Based Medicine, Belgian Branch of the Cochrane Collaboration, Leuven, Belgium
4 School of Public Health and Primary Care, Occupational, Environmental and Insurance Medicine, Katholieke Universiteit Leuven, Leuven, Belgium
5 University Hospital Leuven, Emergency department, Katholieke Universiteit Leuven, Leuven, Belgium
6 ZNA Hospital Network Antwerp, Antwerpen, Belgium