About This Journal FREE

Editor: Philip Greenland, MD 750 N Lake Shore Dr 11th Floor Chicago, IL 60611 Phone: (847) 869-7609 Fax: (312) 503-5388 E-mail: archinternmed@jama-archives.org

Deputy Editors: David C. Goff Jr, MD, PhD, Winston-Salem, North Carolina Leo I. Gordon, MD, Chicago, Illinois Patrick G. O'Malley, MD, MPH, Washington, DC Hemant K. Roy, MD, Evanston, Illinois

Associate Editors: Janardan D. Khandekar, MD, Evanston, Illinois Robert A. Phillips, MD, PhD, Worcester, Massachusetts

Statistical Editors: Associate: Alan R. Dyer, PhD, Chicago, Illinois Assistant: Denise M. Scholtens, PhD, Chicago, Illinois

Assistant Editor: Kathleen M. McKibbin, MD, Winnetka, Illinois

Editorial Assistant: Arawa McClendon, Chicago, Illinois

CME: Robert Golub, MD, Chicago, Illinois

Charles L. Bennett, MD, PhD, Chicago, Illinois JudyAnn Bigby, MD, Boston, Massachusetts Martin J. Blaser, MD, New York, New York Robert D. Brook, MD, Ann Arbor, Michigan Mary Cushman, MD, MSc, Burlington, Vermont Rodney H. Falk, MD, Boston, Massachusetts Ann R. Falsey, MD, Rochester, New York Mark N. Feinglos, MD, CM Durham, North Carolina Elyse Foster, MD, San Francisco, California Jeffrey L. Glassroth, MD, Chicago, Illinois Robert J. Goldberg, PhD, Worcester, Massachusetts Kurt Kroenke, MD, Indianapolis, Indiana Henry T. Lynch, MD, Omaha, Nebraska Mary M. McDermott, MD, Chicago, Illinois Karen Margolis, MD, MPH, Minneapolis, Minnesota Carlos F. Mendes de Leon, PhD, Chicago, Illinois Michael Pignone, MD, MPH, Chapel Hill, North Carolina Bruce M. Psaty, MD, PhD, MPH, Seattle, Washington Kathryn M. Rexrode, MD, MPH, Boston, Massachusetts Kenneth G. Saag, MD, MSc, Birmingham, Alabama Mary E. Tinetti, MD, New Haven, Connecticut Jack Zwanziger, PhD, MBA, Chicago, Illinois

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Division Director: Jeffery J. Bonistalli Manager: Kathy Russell Staff: Mirna Monal, Jennifer Seminerio Sales Representatives: Peter G. Messina, Patricia Quilty Assistant Publisher, Classified Advertising/Circulation Promotion: Geoffrey Flick Manager: Thalia Moss Staff: Tem Harrier, Michelle Sharpe   Director, Marketing Support Services: Mark Thornbury Staff: Nancy Bell, Tricia Leonardis, Dennis Sammartino Director, Reprints: Mark Kuhns Staff: Susan Lovenberg

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Michael D. Maves, MD, MBA, Executive Vice President, Chief Executive Officer Bernard L. Hengesbaugh, Chief Operating Officer Robert A. Musacchio, PhD, Senior Vice President, Publishing & Business Services

All articles published, including editorials, letters, and book reviews, represent the opinions of the authors and do not reflect the policy of the American Medical Association, the Editorial Board, or the institution with which the author is affiliated, unless this is clearly specified.

Copyright 2008 by the American Medical Association. All rights reserved. Reproduction without permission is prohibited.