1. San Francisco Coordinating CenterCalifornia Pacific Medical Center Research Institute San Francisco CA USA
2. Department of Endocrinology and MetabolismSeoul National University Bundang Hospital and Seoul National University College of Medicine Seongnam South Korea
3. Department of Epidemiology, Graduate School of Public HealthUniversity of Pittsburgh Pittsburgh PA USA
4. Center for Chronic Disease Outcomes Research, Veterans Affairs Health Care System, Department of MedicineUniversity of Minnesota Minneapolis MN USA
5. Division of Epidemiology and Community Health, School of Public HealthUniversity of Minnesota Minneapolis MN USA
6. Oregon Health & Science University Portland OR USA
7. Park Nicollet Clinic and HealthPartners Institute Bloomington MN USA
8. University of Minnesota Minneapolis MN USA
9. Department of Epidemiology and BiostatisticsUniversity of California, San Francisco San Francisco CA USA