title: Erratum: Borderud SP, Li Y, Burkhalter JE, Sheffer CE and Ostroff JS.  Electronic cigarette use among patients with cancer: Characteristics of electronic  cigarette users and their smoking cessation outcomes. Cancer. doi: 10.1002/  cncr.28811.
abstract: The authors discovered some errors regarding reference group labels in Table 2. The corrected table is attached. The authors regret these errors.