- Correspondence to Professor Nikola Biller-Andorno, Institute of Biomedical Ethics and History of Medicine, University of Zurich, Pestalozzistrasse 24, Zürich CH-8032, Switzerland;
- Received May 27, 2014
- Revised December 17, 2014
- Accepted February 20, 2015
- First published March 17, 2015.
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