The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Schaeffer Center for Health Policy and Economics, Schools of Pharmacy and Policy, Planning, and Development, University of Southern California, Ralph and Goldy Lewis Hall 214, Los Angeles, CA 90089‐0626
Leonard D. Schaeffer Center for Health Policy and Economics, School of Policy, Planning, and Development, University of Southern California, Los Angeles, CA and also Associate Professor, the School of Policy, Planning, and Development, University of Southern California, Los Angeles, CA