- Correspondence to Dr Wael K Al-Delaimy, Department of Family and Preventive Medicine, University of California, San Diego, Stein Clinical Research Building Room 250, 9500 Gilman Dr., 0628 La Jolla, CA 92093-0628, USA;
- Received October 21, 2013
- Accepted January 7, 2014
- First published February 5, 2014.
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