“…The extensive literature on conventional cigarettes suggests environmental factors, such as advertising and price, can influence initiation, progression, and cessation of tobacco use (Carter, Phan, & Mills, 2013;Forster & Wolfson, 1998;McLaughlin, 2010;Warner, 2006;Wilson et al, 2012). Research also suggests that college students are targeted by tobacco companies, as this is the youngest population they can legally market to (Campaign for Tobacco-Free Kids, 2005;Katz & Lavac, 2002;Rigotti, Moran, & Wechsler, 2005). Given the limited research on e-cigarettes, surveillance of the point-of-purchase environment is needed.…”