Erratum to: BMC Res Notes (2015) 8:229 DOI 10.1186/s13104-015-1217-6
After publication of the original article [1], Additional file 1 was updated with the following statement, located towards the end of the document:
“Reproduced with permission from: Mannino DM, Higuchi K, Yu T-C, Zhou H, Li Y, Tian H, et al. Economic burden of chronic obstructive pulmonary disease by presence of comorbidities. CHEST Journal. Published online February 12, 2015. doi:10.1378/chest.14-2434.”
This is to credit an earlier publication in which the same additional file was used. The updated additional file (Additional file 1) can be found below.
Reference
Yu TC, Zhou H (2015) Benefits of applying a proxy eligibility period when using electronic health records for outcomes research: a simulation study. BMC Res Notes 8:229. doi:10.1186/s13104-015-1217-6
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The online version of the original article can be found under doi:10.1186/s13104-015-1217-6.
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Additional file 1:
Table S1. Table of the ICD-9 CM codes for comorbidities of interest.
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Yu, TC., Zhou, H. Erratum to: Benefits of applying a proxy eligibility period when using electronic health records for outcomes research: a simulation study. BMC Res Notes 8, 340 (2015). https://doi.org/10.1186/s13104-015-1300-z
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DOI: https://doi.org/10.1186/s13104-015-1300-z