Smoking status was then assessed at the time of the interview to determine the rates of successful quitting during the most recent quit attempt, comparing the three groups: (1) e-cigarettes only; (2) NRT only; and (3) no cessation aids. The total sample size was 5,863.

LAST：100% Original innokin 2600mah itaste mvp 2.0 |NEXT：Factory Price Paypal Accept China Supplier Exporter High Quality Bulk E Cig