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Dear all readers,
It's the authors here. We just wanted to add a note about the enthusiastic article metrics this paper has been generating. No doubt, of course, a number of these are genuine. However, the runaway popularity of the paper earlier this year was, we now know, driven by a badly behaved function on our university website: this function is supposed to collect related links for blog posts we carry, but was in fact looping incorrectly and triggering hits on the journal's website page for the paper. This fault - entirely non-malicious, we should stress - has now been corrected. Hopefully reading figures will go down to the levels of interest we might expect for those interested in inequalities in care for minority ethnic groups, and vignette methods. Apologies to the journal, and to readers, for this occurrence.
[on behalf of the authors]