标题：Correction to: Meeting abstracts from the 4th International Clinical Trials Methodology Conference (ICTMC) and the 38th Annual Meeting of the Society for Clinical Trials
摘要：After publication of this supplement [1], it was brought to our attention that two authors were missing for abstract P66: Recruitment aids for a phase II randomised trial in low risk bladder cancer. The two missing authors can be found in this Erratum.
