- Correspondence to René Schwendimann, University of Basel, Institute of Nursing Science, Bernoullistrasse 28, 4056 Basel, Switzerland;
- Accepted 24 May 2012
- Published in print 1 January 2012.
- Published online 6 July 2012.
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.