Tonelli J, Li W, Kishore P, Pajvani UB, Kwon E, Weaver C, Scherer PE, Hawkins M: Mechanisms of early insulin-sensitizing effects of thiazolidinediones in type 2 diabetes. Diabetes 53:1621–1629, 2004

In Table 2 of the above-listed manuscript, insulin levels for the pioglitazone group for time 180–240 should be 52.58 ± 6.99 μU/ml.