| Affiliation: | 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 |
