1. Institut National de la Santé et de la Recherche Médicale (INSERM) Unité Mixte de Recherche (UMR) 1033; University of Lyon; Lyon France
2. California Pacific Medical Center Research Institute; San Francisco; CA USA
3. Park Nicollet Institute; Minneapolis; MN USA
4. Division of Health Policy and Management; University of Minnesota; Minneapolis MN USA
5. Department of Medicine; University of California; San Francisco CA USA
6. Center for Musculoskeletal Health, University of California at Davis; Sacramento; CA USA
7. Division of Endocrinology, Diabetes, and Clinical Nutrition, Oregon Health & Science University; Portland; OR USA
8. Department of Epidemiology and Biostatistics; University of California; San Francisco CA USA
9. Division of Epidemiology & Community Health and Department of Medicine; University of Minnesota; Minneapolis MN USA
10. Center for Chronic Disease Outcomes Research; Veterans Affairs Medical Center; Minneapolis MN USA