1 Divisions of Rheumatology, Department of Medicine, School of Medicine, University of California San Francisco, San Francisco, California; Nephrology, Department of Medicine, School of Medicine, University of California San Francisco, San Francisco, California; Philip R. Lee Institute for Health Policy Studies, University of California San Francisco, San Francisco, California. Electronic address: laura.plantinga@ucsf.edu.
2 St. Joseph's Hospital Dialysis Center, Orange, California.
3 Philip R. Lee Institute for Health Policy Studies, University of California San Francisco, San Francisco, California; Department of Social and Behavioral Sciences, School of Nursing, University of California San Francisco, San Francisco, California.
4 Gerontology Institute, Georgia State University, Atlanta, Georgia.
5 National Association of Nephrology Technicians/Technologists, Dayton, Ohio.
6 Nephrology, Department of Medicine, School of Medicine, University of California San Francisco, San Francisco, California.
7 Departments of Medicine and Epidemiology and Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins University, Baltimore, Maryland.
8 Department of Surgery and Health Services Research Center, Emory University, Atlanta, Georgia.