1. Stanford Prevention Research Center, Department of Medicine; School of Medicine; Stanford University; Stanford California
2. Department of Physiological Nursing, School of Nursing; University of California; San Francisco California
3. Joint Medical Program; University of California Berkeley, School of Public Health; Berkeley California
4. University of California San Francisco, School of Medicine; San Francisco California
5. Center for Tobacco Control Research and Education; University of California; San Francisco California
6. California Tobacco-Related Disease Research Program; University of California, Office of the President; Oakland California