Sci. STKE, 12 August 2003
The following corrections should be noted for the Review by McBride and Reich:
A corrected PDF is available starting August 19, 2003.
A PDF of the originally published with the incorrect figure and original text is also available. http://stke.sciencemag.org/cgi/data/sigtrans;2003/195/re13/DC1/1
Science Signaling. ISSN 1937-9145 (online), 1945-0877 (print). Pre-2008: Science's STKE. ISSN 1525-8882