1. School of Social Development and Public Policy; Beijing Normal University; Beijing China
2. HealthPartners Institute; Minneapolis Minnesota
3. Department of Applied Health Science; School of Public Health, Indiana University Bloomington; Bloomington Indiana
4. Department of Biostatistics and Epidemiology; University of Massachusetts Amherst; Amherst Massachusetts
5. Albert Einstein College of Medicine; Bronx New York
6. Veterans Affairs Palo Alto Health Care System; Palo Alto California
7. Department of Psychiatry and Behavioral Sciences; Stanford University School of Medicine; Stanford California
8. Department of Social Sciences and Health Policy; Division of Public Health Sciences, Wake Forest University School of Medicine; Winston-Salem North Carolina
9. Los Angeles Biomedical Research Institute; Harbor-UCLA Medical Center; Torrance California
10. Division of Research; Kaiser Permanente; Oakland California
11. Department of Public Health Sciences; University of California Davis; Davis California
12. Department of Family; Population, and Preventive Medicine, Stony Brook University School of Medicine; Stony Brook New York
13. Memorial Cancer Institute; Memorial Health Care System, Florida International University; Hollywood Florida
14. Department of Epidemiology and Biostatistics; School of Public Health, Indiana University Bloomington; Bloomington Indiana