Erratum to: Benefits of applying a proxy eligibility period when using electronic health records for outcomes research: a simulation study
© Yu and Zhou. 2015
Received: 24 July 2015
Accepted: 24 July 2015
Published: 11 August 2015
The original article was published in BMC Research Notes 2015 8:229
Erratum to: BMC Res Notes (2015) 8:229 DOI 10.1186/s13104-015-1217-6
After publication of the original article , 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.
Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.