Affiliation: | 1. Schulich Interfaculty Program in Public Health, Western University, London, Ontario, Canada;2. United Health Group, Cypress, California;3. Department of Medicine, David Geffen School of Medicine, Los Angeles, California;4. James Stomber Consulting, San Francisco, CA;5. Division of Hematology/Oncology, Department of Medicine, School of Medicine, University of Michigan, Ann Arbor, Michigan;6. Division of Cancer Prevention and Control Research, University of California at Los Angeles Jonson Comprehensive Cancer Center, Los Angeles, California;7. Department of Family Medicine, David Geffen School of Medicine at University of California at Los Angeles, Los Angeles, California |