Authors' Affiliations: 1Division of Clinical Pharmacology and Experimental Therapeutics, Departments of Medicine and Bioengineering and Therapeutic Sciences, 2Center for Tobacco Control Research and Education, 3Division of Occupational and Environmental Medicine and Division of Pulmonary and Critical Care Medicine, University of California, San Francisco, San Francisco, California; 4Department of General and Analytical Chemistry, Medical University of Silesia, Sosnowiec, Poland; and 5Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública de México, México, D.F., Mexico(2010-11-01時点)
