The table “Levels of Evidence” was inadvertently printed in the first 3 articles in the Clinical Evidence Review department of AJCC (November 2007;16[6]:609–612, January 2008;17[1]:73–76, and March 2008;17[2]:160–163) without acknowledgment of its original source. The table is adapted from: Part 1: Introduction to the International Guidelines 2000 for CPR and ECC: a consensus on science. Circulation. 2000;102(8 suppl):I1–11.

We regret the error.

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