1Division of Nephrology, Department of Medicine, University of California, San Francisco, California
2Department of Epidemiology and Biostatistics, University of California, San Francisco, California
3Division of Nephrology, Department of Pediatrics, University of California, San Francisco, California
4Division of Pediatric Nephrology, Departments of Pediatrics and Epidemiology, Children’s Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
5Division of Nephrology, Department of Medicine, Hennepin County Medical Center, Minneapolis, Minnesota
6Department of Medicine, University of Minnesota, Minneapolis, Minnesota
Correspondence: Dr. Elaine Ku, Division of Nephrology, University of California, San Francisco, 500 Parnassus Avenue MBU-E 414, San Francisco, CA 94143. Email: [email protected]
