[1] Amer Enterprise Inst Publ Policy Res, Hlth Care & Retirement Policy, Washington, DC USA
[2] George Washington Univ, Emergency Med, Washington, DC 20052 USA
[3] Eth & Publ Policy Ctr, New York, NY USA
[4] Amer Enterprise Inst Publ Policy Res, Washington, DC USA
[5] White House Off Management & Budget, Washington, DC USA
[6] Project HOPE, New York, NY 10101 USA
[7] Medicare Program, Washington, DC 20005 USA
[8] Medicaid Program, New York, NY 10010 USA
[9] Medicare Payment Advisory Commiss, Washington, DC 20010 USA