ErratumErratum for “Biases in Randomized Trials: A Conversation Between Trialists and Epidemiologists.”Epidemiology: September 2018 - Volume 29 - Issue 5 - p e49 doi: 10.1097/EDE.0000000000000846 Free Metrics Figure 4c in our recent Epidemiology paper1 is a repetition of Figure 4b and is incorrect. As explained in the text, Z is a common cause of A and C in the corrected Figure 4c; the correct Figure appears here.Figure.: Corrected Figure 4c in Mansournia et al Epidemiology paper1References 1. Mansournia MA, Higgins JP, Sterne JA, Hernán MA. Biases in Randomized Trials: A Conversation Between Trialists and Epidemiologists. Epidemiology. 2017;28(1):5459. Cited Here Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved.View full article text