1. Research on Ethics, Aging, and Community Health (REACH Lab), Medford, and Departments of Community Health and Occupational Therapy, Tufts University, Medford, Massachusetts (K.L.)
2. Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Boston, and Tufts Clinical and Translational Science Institute, Tufts University, Boston, Massachusetts (H.T.)
3. William B. Schwartz Division of Nephrology, Tufts Medical Center, Boston, Massachusetts (O.B., D.E.W.)
4. Department of Public Health & Community Medicine, Tufts University School of Medicine, Boston, Massachusetts (S.K.)
5. Division of Clinical Decision Making, Tufts Medical Center, Boston, Massachusetts (J.B.W.)
6. Cooper Medical School of Rowan University, Camden, New Jersey (S.L., A.A.)
7. The University of North Texas Health Science Center at Fort Worth/Texas College of Osteopathic Medicine, Fort Worth, Texas (L.R.)
8. Division of Nephrology-Hypertension, UC San Diego, La Jolla, and Nephrology Section, VA San Diego Healthcare System, San Diego, California (J.D., D.R.)
9. Maine Nephrology Associates, Maine Medical Center, Portland, Maine (L.N.S.)
10. Division of Transplantation, Department of Surgery, Center for Health Services & Outcomes Research, and Center for Bioethics and Medical Humanities, Northwestern University Feinberg School of Medicine, Chicago, Illinois (B.K., E.J.G.)
11. Division of Nephrology and Hypertension, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois (P.F.)
12. Division of Nephrology and Hypertension, Department of Medicine, and Center for Translational Metabolism and Health, Institute for Public Health and Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois (T.I.)
13. Piedmont Transplant Institute, Atlanta, Georgia (A.R.).