Article Text
Electronic pages
Letter
Comorbidities in a Mexican mestizo cohort with established rheumatoid arthritis
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Footnotes
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Contributors DV-M: designed data collection tools, monitored data collection for the whole study, wrote the statistical analysis plan, cleaned and analysed the data and drafted and revised the paper. MB-A: monitored data collection for the whole trial, analysed the data and drafted and revised the paper. AA-G: analysed the data and drafted and revised the paper.
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Competing interests None.
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Ethics approval Hospital General de Zona No. 17, Instituto Mexicano del Seguro Social with number: R-2013-1906-35.
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Provenance and peer review Not commissioned; internally peer reviewed.