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Response to: ‘Drug survival on TNF inhibitors: 2003–2004 data from Italian National Register (GISEA Register)’ by Iannone et al
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Footnotes
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Competing interests None.
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Funding The original study was partly funded by the Swedish Foundation for Strategic Research (SSF), and by Astra Zeneca via the public private partnership COMBINE. Neither SSF nor Astra Zeneca had any influence on the study design, data acquisition, analysis, interpretation of the results, or writing of the manuscript. Astra Zeneca representatives were allowed to comment upon the findings prior to submission although all final decisions resided with the investigators.
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Data sharing No additional data available.
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Ethics approval Regional Ethics Committee at Karolinska institutet.
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Provenance and peer review Not commissioned; externally peer reviewed.