1. Division of General Internal Medicine, Massachusetts General Hospital, Harvard Medical School , Boston, MA, USA
2. Department of Population and Data Sciences, University of Texas Southwestern Medical Center , Dallas, TX, USA
3. Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center , Dallas, TX, USA
4. Department of Biostatistics, Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania , Philadelphia, PA, USA
5. Department of Public Health Sciences, University of Chicago—Biological Sciences Division , Chicago, IL, USA
6. Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine , St Louis, MO, USA
7. Kaiser Permanente Washington Health Research Institute , Seattle, WA, USA