Boyers Lindsay N, Karimkhani Chante, Riggs Jennifer, Dellavalle Robert P
Georgetown University, School of Medicine, Washington DC, USA.
Columbia University, College of Physicians and Surgeons, New York, New York, USA.
Tob Control. 2015 Nov;24(6):623-4. doi: 10.1136/tobaccocontrol-2014-051957. Epub 2014 Dec 31.