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Erratum to: Evaluating the efficacy of a web-based self-help intervention with and without chat counseling in reducing the cocaine use of problematic cocaine users: the study protocol of a pragmatic three-arm randomized controlled trial

The Original Article was published on 10 July 2015

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  1. Schaub M, Maier L, Wenger A, Stark L, Berg O, Beck T, et al. Evaluating the efficacy of a web-based self-help intervention with and without chat counseling in reducing the cocaine use of problematic cocaine users: the study protocol of a pragmatic three-arm randomized controlled trial. BMC Psychiatry. 2015;15:156.

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Correspondence to Michael P. Schaub.

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The online version of the original article can be found under doi:10.1186/s12888-015-0518-6.

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Schaub, M.P., Maier, L.J., Wenger, A. et al. Erratum to: Evaluating the efficacy of a web-based self-help intervention with and without chat counseling in reducing the cocaine use of problematic cocaine users: the study protocol of a pragmatic three-arm randomized controlled trial. BMC Psychiatry 15, 218 (2015). https://doi.org/10.1186/s12888-015-0600-0

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  • DOI: https://doi.org/10.1186/s12888-015-0600-0