ERRATUM
The number on the printed version of the Summary of Communications of the 23rd Brazilian Congress of Atherosclerosis was published incorrectly. For this reason, for the purposes of citation, please use the following reference with the correct number: Summary of Communications of the 23rd Brazilian Congress of Atherosclerosis. Arq Bras Cardiol 2011; 97 (2 suppl. 2):1-15.
