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

30 December 2006:

The Abstract was corrected from:

...injected with TUDCA (52 mg/kg body weight)...

to:

...injected with TUDCA (500 mg/kg body weight)...

The panel referencing for the caption of Figure 6 was corrected from:

...for a-wave comparison (A) and F_(9,369)=1.93, p=0.047 for b-wave comparison (B)...

to:

...for a-wave comparison (B) and F_(9,369)=1.93, p=0.047 for b-wave comparison (C)...

The caption of Figure 9 was corrected from:

...to confocal imagery (Figure 2), TUNEL-positive...

to:

...to confocal imagery (Figure 8), TUNEL-positive...