Scheie Eye Institute of the University of Pennsylvania, Philadelphia, Pennsylvania, United States
CIRNA Lab, Philadelphia, Pennsylvania, United States
University of Pennsylvania, Reproductive Research Unit, Philadelphia, Pennsylvania, United States
UPenn, Philadelphia, Pennsylvania, United States
3535 Market Street, Philadelphia, Pennsylvania, United States
Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, United States
University of Pennsylvania, Philadelphia, Pennsylvania, United States
University of Iceland, Reykjavík, Iceland
University of Pennsylvania, Philadelphia, Pennsylvania, United States
Center for Interdisciplinary Research on Nicotine Addiction, University of Pennsylvania, Philadelphia, Pennsylvania, United States
Emory University, Atlanta, Georgia, United States
University of Michigan, Ann Arbor, Michigan, United States