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Archived Comments for: Balance algorithm for cluster randomized trials

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  1. Updated R-Script available from author

    Ben Carter, Clinical Trials Evaluation Unit, Bristol Heart Institute

    1 July 2009

    Since publication this algorithm has been implemented in many trials and the algorithm has been improved.

    If you have any questions/thoughts, or require an up-to date zip file please contact the author by emailing ''.

    Competing interests

    I have no competing interests, I am the author of this publication and I am notifying the community that a new version of the algorithm exists and how to obtain it.