- Correspondence to Dr Neal L Benowitz, Division of Clinical Pharmacology and Experimental Therapeutics, The Departments of Medicine and Bioengineering & Therapeutic Sciences, University of California, Box 1220, San Francisco, CA 94143-1220, USA;
- Received October 25, 2012
- Revised January 14, 2013
- Accepted January 15, 2013
- First published April 15, 2013.
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