Scientific Reports 5: Article number: 1126910.1038/srep11269; published online: June172015; updated: September042015
This Article contains a typographical error in the Methods section under the subheading ‘Materials and clinical procedure.
“The results of the two tests after excluding the question on cigarette and EC consumption were also reported (as FTCD-modified and CDS-modified, Table 1).”
should read:
“The results of the two tests after excluding the question on cigarette and EC consumption were also reported (as FTCD-modified and CDS-modified, Table 2).”