The affiliation of the third author, Tae-Min Song, was changed during the submission and review process of the article, Development and Evaluation of an Obesity Ontology for Social Big Data Analysis. The authors' affiliations should be listed as:
1College of Nursing & Systems Biomedical Informatics Research Center, Seoul National University, Seoul, Korea; 2Department of Nursing, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; 3Research Institute of Nursing Science, Seoul National University, Seoul, Korea; 4Department of Health Management, Sahmyook University, Seoul, Korea