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This is Cancun Lu, is a master from the Evidence Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, China. Here, I thought the 17th citation in the references of this paper with a mistake. And it should be——Schulz KF, Altman DG, Moher D, et al. CONSORT statement: updated guidelines for reporting parallel group randomised trials. BMJ 2010;2010:c332.
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I declare that I have no conflicts of interest.