1. Division of Environmental Health Sciences, College of Public Health, Ohio State University , Columbus, OH , USA
2. Center for Tobacco Research, Ohio State University and James Cancer Hospital , Columbus, OH , USA
3. College of Nursing and Department of Physiology and Cell Biology, College of Medicine, Ohio State University , Columbus, OH , USA
4. Division of Biostatistics, College of Public Health, Ohio State University , Columbus, OH , USA
5. Department of Biomedical Informatics, Ohio State University and James Cancer Hospital , Columbus, OH , USA
6. Comprehensive Cancer Center, Ohio State University and James Cancer Hospital , Columbus, OH , USA
7. Pulmonary and Critical Care Medicine, Department of Internal Medicine, The Ohio State University , Columbus, OH , USA