University of Pennsylvania, Philadelphia, Pennsylvania, United States
Hospital 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
Department of Psychiatry and Behavioral Sciences, Emory University, Atlanta, Georgia, United States
University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States
Center for the Treatment and Study of Anxiety, University of Pennsylvania, Philadelphia, Pennsylvania, United States
University of Pennsylvania, Philadelphia, Pennsylvania, United States
The Chester County Hospital and Health System, West Chester, Pennsylvania, United States
Penn Presbyterian Medical Center, Philadelphia, Pennsylvania, United States
Cooper University Hospital, Camden, New Jersey, United States
Abramson Cancer Center of the University of Pennsylvania, Philadelphia, Pennsylvania, United States