1. Department of Public Health Sciences, Division of Nephrology and Hypertension, Maywood, Illinois, USA;
2. Department of Medicine, Division of Nephrology and Hypertension, Maywood, Illinois, USA;
3. Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA;
4. Departments of Medicine, Division of Preventive Medicine, University of Alabama, Birmingham, Alabama, USA;
5. Division of Epidemiology and Community Health, School of Public Health University of Minnesota, Minneapolis, MN and also affiliated with the Department of Nutrition, University of Oslo, Oslo,Norway;
6. Departments of Epidemiology and Biostatistics, University of California, San Francisco, California, USA;
7. Department of Medicine, University of California, San Francisco, California, USA;
8. Department of Medicine, Division of Nephrology, University of California, San Francisco, California, USA;
9. Department of Medicine, Division of Nephrology, Geisinger Health Systems, Danville, Pennsylvania, USA;
10. The New York Academy of Medicine, New York, New York, USA;
11. Departments of Medicine and Epidemiology, University of Washington, Seattle Departments of Medicine, Seattle, Washington, USA;
12. General Internal Medicine Section, San Francisco Veterans Affairs Medical Center and University of California, San Francisco, California, USA;
13. Division of Nephrology, University of Washington, Seattle Departments of Medicine, Seattle, Washington, USA;
14. Department of Epidemiology, University of Alabama, Birmingham, Alabama, USA.