Bernstein RK: Increased prevalence of significant coronary artery calcification in patients with diabetes (Letter). Diabetes Care 24:1507–1508, 2001

In the fourth line of the addendum on page 1508, the author would like to change “or vulnerable” to “of vulnerable.” The correct sentence is as follows: “After the above comments had been typeset, I came upon a review (3) suggesting a potent role for arterial smooth muscle cells in preventing rupture of vulnerable intimal plaques.”