- Correspondence to Professor Birgitte Schoenmakers, Department of Public Health and Primary Care, Academic Centre of General Practice, University of Leuven, Kapucijnenvoer 33, block J, box 7001, Leuven, Belgium;
- Received July 20, 2015
- Revised January 4, 2016
- Accepted January 18, 2016
- First published February 3, 2016.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.