Response to: Clinical trial shows that giving smokers free e-cigarettes creates more dual users than switchers or quitters

• Matthew J. Carpenter,
• K. Michael Cummings,
• Tracy T. Smith

Affiliations

Matthew J. Carpenter

Corresponding author.; Hollings Cancer Center, Medical University of South Carolina, SC, USA

K. Michael Cummings

Hollings Cancer Center, Medical University of South Carolina, SC, USA

Tracy T. Smith

Hollings Cancer Center, Medical University of South Carolina, SC, USA