Evolutionary Insights into the Ecology of Coronaviruses

Volume 81, no. 8, p. 4012-4020, 2007. Page 4013, Materials and Methods, column 1, lines 2-4 from the bottom: “The times of divergence were estimated utilizing priors obtained from earlier runs, with a discarded burn-in of approximately 10%” should read “The times of divergence were estimated with a discarded burn-in of approximately 10%, utilizing optimized operator tuning values to increase the efficiency of sampling for subsequent runs.”