- Correspondence to Dr Michael J Blaha, Johns Hopkins Ciccarone Center for the Prevention of Heart Disease, 600 N Wolfe St, Carnegie 565A, Baltimore, MD 21287, USA;
- Received August 12, 2015
- Revised November 23, 2015
- Accepted November 27, 2015
- First published January 5, 2016.
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- Data supplement 1 - Online supplement
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