- Correspondence to Dr Murray A Mittleman, Cardiovascular Epidemiology Research Unit, Beth Israel Deaconess Medical Center, 375 Longwood Avenue—Room 441, Boston, MA 02215, USA;
- Received December 18, 2012
- Revised March 20, 2013
- Accepted March 31, 2013
- First published May 13, 2013.
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