Document Type


Publication Date



This article has been peer reviewed and is published in Population Health Management Volume: 15 Issue 1: February 9, 2012. The published version is available at DOI: 10.1089/pop.2012.1511. ©Mary Ann Liebert, Inc



To view the content in your browser, please download Adobe Reader or, alternately,
you may Download the file to your hard drive.

NOTE: The latest versions of Adobe Reader do not support viewing PDF files within Firefox on Mac OS and if you are using a modern (Intel) Mac, there is no official plugin for viewing PDF files within the browser window.