1. Department of Pharmaceutical and Health Economics, School of Pharmacy, University of Southern California, Los Angeles, California
2. The Leonard D. Schaeffer Center for Health Policy & Economics, University of Southern California, Los Angeles, California
3. Department of Medicine, Division of Nephrology, Keck School of Medicine of the University of Southern California, Los Angeles, California
4. Sol Price School of Public Policy, University of Southern California, Los Angeles, California