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Limited Electronic Distribution Rights This document and trademark(s) contained herein are protected by law as indicated in a notice appearing later in this work. This electronic representation of RAND intellectual property is provided for non-commercial use only. Unauthorized posting of RAND electronic documents to a non-RAND website is prohibited. RAND electronic documents are protected under...

Limited Electronic Distribution Rights This document and trademark(s) contained herein are protected by law as indicated in a notice appearing later in this work. This electronic representation of RAND intellectual property is provided for non-commercial use only. Unauthorized posting of RAND electronic documents to a non-RAND website is prohibited. RAND electronic documents are protected under...

s of all RAND Health publications and full text of many research documents can be found on the RAND Health web site at www.rand.org/health. This research brief was written by David M. Adamson. The RAND Corporation is a nonprofi t research organization providing objective analysis and effective solutions that address the challenges facing the public and private sectors around the world. RAND’s p...