1. University of Michigan Medical School and School of Public Health, Ann Arbor, Michigan (A.A.M.)
2. University of Michigan Medical School and Institute for Healthcare Policy and Innovation, Ann Arbor, Michigan (J.M.H.)
3. University of Michigan Medical School, School of Public Health, Gerald R. Ford School of Public Policy, and Institute for Healthcare Policy and Innovation, Ann Arbor, Michigan (J.Z.A.)
4. University of Michigan School of Public Health, and Institute for Healthcare Policy and Innovation, Ann Arbor, Michigan, and National Bureau of Economic Research, Cambridge, Massachusetts (E.C.N.)
5. University of Michigan Medical School, Ann Arbor, Michigan (P.L.Y.)
6. University of Michigan School of Public Health, Center for Evaluating Health Reform, Institute for Healthcare Policy and Innovation, Ann Arbor, Michigan (A.M.R.)