In the State-of-the-Art article in the January 2003 issue (Pandit-Bhalla M, Diethelm L, Ovella T, et al. Idiopathic interstitial pneumonias: an update. J Thorac Imaging. 2003;18:1–13.), there is an error in the second line of the first column on page 5. The sentence should be:
The distinguishing feature from IPF is temporal homogeneity (Fig. 3C).
We regret the error.