Title : Known and Novel Sources of Variability in the Nicotine Metabolite Ratio in a Large Sample of Treatment - Seeking Smokers

Title: Known and Novel Sources of Variability in the Nicotine Metabolite Ratio in a Large Sample of Treatment-Seeking Smokers Authors: Meghan J. Chenoweth, Maria Novalen, Larry W. Hawk Jr., Robert A. Schnoll, Tony P. George, Paul M. Cinciripini, Caryn Lerman, and Rachel F. Tyndale Affiliations: Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health (CAMH), Toronto, Ontario, Canada Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada Department of Psychology & Center for Children and Families, University at Buffalo, SUNY, Buffalo, NY, USA Center for Interdisciplinary Research on Nicotine Addiction, Department of Psychiatry, University of Pennsylvania, Philadelphia, Pennsylvania, USA Division of Brain and Therapeutics, Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada Schizophrenia Division, Centre for Addiction and Mental Health (CAMH), Toronto, ON Canada Department of Behavioral Science, University of Texas MD Anderson Cancer Center, Houston, Texas, USA Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada Financial support: We acknowledge the support of the Endowed Chair in Addictions for the Department of Psychiatry (R.F. Tyndale), CIHR-CGSD and Ontario Graduate Scholarship (M.J. Chenoweth), NIH PGRN grant DA020830 (R.F. Tyndale and C. Lerman), CIHR grants MOP86471 (R.F. Tyndale) and TMH-109787 (R.F. Tyndale), CAMH, the CAMH Foundation, the Canada Foundation for Innovation (#20289 and #16014 to R.F. Tyndale and T.P. George) and the Ontario Ministry of Research and Innovation.