- Correspondence to Alessandro Ceschi, MD, Head, Division of Science, Swiss Toxicological Information Centre, Associated Institute of the University of Zurich, Freiestrasse 16, CH-8032 Zurich;
- Received July 5, 2013
- Revised November 24, 2013
- Accepted December 22, 2013
- First published January 17, 2014.
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