- Correspondence to Dr Effy Vayena, Institute of Biomedical Ethics, University of Zurich, Pestalozzistrasse 24, Zurich 8032, Switzerland;
- Received 2 January 2015
- Accepted 18 February 2015
- Published online 30 March 2015.
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.