1. Department of Finance, University of Illinois at Urbana-Champaign
2. National Bureau of Economic Research, Cambridge, Massachusetts
3. Center for Health Policy, Stanford University, Stanford, California
4. Center for Innovation to Implementation, Veterans Affairs Palo Alto Health Care System, Palo Alto, California
5. Harris School of Public Policy, University of Chicago, Chicago, Illinois
6. Department of Recreation, Sport and Tourism, University of Illinois at Urbana-Champaign