A. Five

(JonathanFoulds PhD, Susan Veldheer MS RD, Jessica Yingst, Shari Hrabovsky RN MSN. Comparison of dependence on electroniccigarettes and regular cigarettes in a large sample of e-cig users. PennState University College of Medicine, Department of Public Health Sciences,Hershey, PA.)

2. Those products are not electronic (fake) cigarettes.

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