The typographical corrections below were made to the article on the date noted. These changes have been incorporated in the article and the details are documented here.

10 August 2004:

In the fourth paragraph of the "Matrix and matrix proteases" subsection of the combined Results & Discussion, "Table 4" was corrected to "Table 5" in two places.

24 March 2005:

Reference 40 was corrected from:

40. Hobby P, Ward FJ, Denbury AN, Williams DG, Staines NA, Sutton BJ. Molecular modeling of an anti-DNA autoantibody (V-88) and mapping of its V region epitopes recognized by heterologous and autoimmune antibodies. J Immunol 1998; 161:2944-52.

to:

40. Hobby P, Wyatt MK, Gan W, Bernstein S, Tomarev S, Slingsby C, Wistow G. Cloning, modeling, and chromosomal localization for a small leucine-rich repeat proteoglycan (SLRP) family member expressed in human eye. Mol Vis 2000; 6:72-8 <http://www.molvis.org/molvis/v6/a10/>.