1. Department of Internal Medicine; University of Michigan School of Medicine; Ann Arbor MI USA
2. Department of Medicine; University of Chicago Medicine; Chicago IL USA
3. Division of Nephrology, Department of Medicine; University of Maryland School of Medicine; Baltimore MD USA
4. Department of Medicine; Massachusetts General Hospital, Harvard University; Boston MA USA
5. Division of Cardiology; General Hospital Murska Sobota; Murska Sobota Slovenia
6. Relypsa, Inc., a Vifor Pharma Group Company; Redwood City CA USA
7. Division of Nephrology, Department of Medicine; University of Rochester School of Medicine; Rochester NY USA