1. Department of Population Health, University of Kansas School of Medicine, Kansas City
2. Alpert Medical School, Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, Rhode Island
3. Alpert Medical School, Department of Medicine, Brown University School of Public Health, Providence, Rhode Island
4. Department of Family and Preventive Medicine, The University of Utah School of Medicine, Salt Lake City
5. Retired from Pfizer, New York, New York
6. Department of Medicine, Bioengineering, and Therapeutic Sciences, University of California, San Francisco