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Correction to: Clinical Rheumatology
The original version of this article contained error.
In the last part of the formula under section “Norm group data for timing sleep-wake behaviour in general population (study aim 1)” was described “(=33:52 h:mm)”, it should have been “ (= 3:52 h : mm)”. The original article has been corrected.
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Habers, G.E.A., van der Helm-van Mil, A.H.M., Veldhuijzen, D.S. et al. Correction to: Earlier chronotype in patients with rheumatoid arthritis. Clin Rheumatol 40, 2519 (2021). https://doi.org/10.1007/s10067-021-05606-w
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DOI: https://doi.org/10.1007/s10067-021-05606-w