title: Response.
authors.affiliation: Department of Health Policy and Management, Mailman School of Public Health, Columbia University, New York, NY. Electronic address: ml3111@columbia.edu.
authors.forename: Miriam J
authors.initials: MJ
authors.lastname: Laugesen
mesh_terms: D000553:Ambulatory Care / Q000191:economics*; D059019:Clinical Coding; D005102:Health Expenditures / Q000639:trends*; D006801:Humans; D007349:Insurance, Health, Reimbursement / Q000191:economics*; D010820:Physicians / Q000191:economics*; D012017:Referral and Consultation / Q000191:economics*; D015895:Relative Value Scales