Tzy-Chyi Yu1, Huanxue Zhou2. 1. Outcomes Research Methods & Analytics, US Health Economics & Outcomes Research, Novartis Pharmaceuticals Corporation, One Health Plaza, East Hanover, NJ, 07936, USA. amanda.yu@novartis.com. 2. KMK Consulting, Inc., 7, North Tower, 23 Headquarters Plaza, Morristown, NJ, 07960, USA.
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.