Erratum
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Sufficient test–retest reliability and validity (r2 > 0.97; RMSE = 4.1°; p < 0.001) of this measurement system for lumbar spine kinematics has recently been demonstrated [31].
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Niederer D. Trials. 2016;17:507.
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The online version of the original article can be found under doi:10.1186/s13063-016-1645-1.
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Niederer, D. Erratum to: Medicine in spine exercise (MiSpEx) for nonspecific low back pain patients: study protocol for a multicentre, single-blind randomized controlled trial. Trials 18, 60 (2017). https://doi.org/10.1186/s13063-017-1814-x
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DOI: https://doi.org/10.1186/s13063-017-1814-x