University of Pennsylvania, Philadelphia, Pennsylvania, United States
University of Pennsylvania Addiction Treatment Research Center, Philadelphia, Pennsylvania, United States
Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, United States
National Heart, Lung, and Blood Institute, Bethesda, Maryland, United States
University of Utah, Salt Lake City, Utah, United States
University of California, Davis Health System, Sacramento, California, United States
Abramson Cancer Center of the University of Pennsylvania, Philadelphia, Pennsylvania, United States
Center for Interdisciplinary Research on Nicotine Addiction, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States
University of Pennsylvania - Perelman Center, Philadelphia, Pennsylvania, United States
University of Pennsylvania - Penn Presbyterian, Philadelphia, Pennsylvania, United States
Brown University - Rhode Island Hospital, Providence, Rhode Island, United States
University of Pennsylvania, Philadelphia, Pennsylvania, United States
Aaron T. Beck Psychopathology Research Center - University of Pennsylvania, Philadelphia, Pennsylvania, United States
University of Pennsylvania, Philadelphia, Pennsylvania, United States