1. Pritzker School of Medicine, University of Chicago, Chicago, Illinois (T.J.M., W.W.L., V.G.P., N.L.)
2. Centre for Health Economics and Policy Innovation, Imperial College Business School, Imperial College London, London, United Kingdom (M.R.S.)
3. Center for Health and the Social Sciences, University of Chicago, Chicago, Illinois (S.A.H.)
4. Rush Medical College, Chicago, Illinois (M.T.B.)