1. Tobacco and Volatiles Branch, Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, 30341, USA
2. Oak Ridge Institute for Science and Education, Knoxville, TN, 37831, USA
3. Clinical Pharmacology Program, Division of Cardiology, Department of Medicine, University of California San Francisco, San Francisco, CA, 94143, USA
4. Masonic Cancer Center, University of Minnesota, Minneapolis, MN, 55455, USA
5. Centre de Toxicologie du Québec, Unité Laboratoire de Toxicologie, Institut National de Santé Publique du Québec, Direction de la santé environnementale et de la toxicologie, Québec, G1V 5B3, Canada