title: Authors response.
authors: Randy
authors: R
authors: Wexler
authors: Jennifer
authors: J
authors: Hefner
authors: Mary Jo
authors: MJ
authors: Welker
authors: Ann Scheck
authors: AS
authors: McAlearney
mesh_terms: D060866:Accountable Care Organizations / Q000458:organization & administration*; D005194:Family Practice / Q000458:organization & administration*; D018166:Health Care Reform; D006801:Humans; D011320:Primary Health Care / Q000458:organization & administration*