The Annals of Applied Probability 16 (2006) 984--1033 [URL:
http://projecteuclid.org/euclid.aoap/1151592257]Comment: Published in at http://dx.doi.org/10.1214/07-AAP479 the Annals of
Applied Probability (http://www.imstat.org/aap/) by the Institute of
Mathematical Statistics (http://www.imstat.org