Amjadi-Begvand S, Khanna D, Park GS, Bulpitt KJ, Wong WK, Paulus HE; for the Western Consortium of Practicing Rheumatologists. Dating the “window of therapeutic opportunity” in early rheumatoid arthritis: accuracy of patient recall of arthritis symptom onset. J Rheumatol 2004;31: 1686–92. The author’s name Amjadi-Begvand should read Amjadi. We regret the error.