E.L. Air, M.Z. Strowski, S.C. Benoit, S.L. Conarello, G.M. Salituro, X.-M. Guan, K. Liu, S.C. Woods & B.B. Zhang Nature Med. 8, 179–183 (2002). .

Page 179, the affiliation of author K. Liu is incorrect. The correct affiliation is below.

Department of Medicinal Chemistry, Merck Research Laboratories, Rahway, New Jersey, USA

We regret these errors.