VOLUME 284 (2009) PAGES 2285–2295
The incorrect measurements were used in this article. The correct measurements are shown below.
PAGE 2288:
Right column, line 12, “…MtmC to a final concentration of 19 mm.” The unit should be μm. Right column, lines 14 and 15, “ … by the addition of 0.12 mm RamA.” The unit should be μm.
PAGE 2291:
The legend to Fig. 5, line 5, “ … MtmC (19 mm).” The unit should be μm. The legend to Fig. 5, line 7, “ … 0.12 mm RamA.” The unit should be μm. The legend to Fig. 6, line 4, “ … 20 mm MtmC.” The unit should be μm. The legend to Fig. 6, line 4, “0.12 mm RamA.” The unit should be μm.