How does the use of flavored nicotine vaping products relate to progression towards quitting smoking? Findings from the 2016 and 2018 ITC 4CV Surveys

Lin Li, PhD, Ron Borland, PhD, K. Michael Cummings, PhD, Geoffrey T. Fong, PhD, Shannon Gravely, PhD, Danielle M. Smith, MPH, Maciej L. Goniewicz, PhD, Richard J. O’Connor, PhD, Mary E. Thompson, PhD, Ann McNeill, PhD