About This Journal FREE

Editor: Philip Greenland, MD % 680 N Lake Shore Dr % Suite 1102 % Chicago, IL 60611 % Phone: (312) 503-5387 % Fax: (312) 503-5388 % E-mail: archinternmed@jama-archives.org

Deputy Editors: % Janardan D. Khandekar, MD Evanston, Ill % Patrick G. O'Malley, MD, MPH Washington, DC % Hemant K. Roy, MD Evanston, Ill

Associate Editors: % Alan R. Dyer, PhD Chicago, Ill % Robert A. Phillips, MD, PhD Worcester, Mass

Assistant Editor: % Kathleen M. McKibbin, MD Winnetka, Ill

Editorial Assistants: % Sheila K. Kessler Chicago, Ill % Michael J. Kosinski Chicago, Ill

CME: Robert Golub, MD, Chicago, Ill % Controversies: Ann Nattinger, MD, MPH, Milwaukee, Wis

Charles L. Bennett, MD, PhD, Chicago, Ill % Martin J. Blaser, MD, New York, NY % Judy Ann Bigby, MD, Boston, Mass % Robert D. Brook, MD Ann Arbor, Mich % Mary Cushman, MD, MSc, Colchester, Vt % Rodney H. Falk, MD, Boston, Mass % Ann R. Falsey, MD, Rochester, NY % Elyse Foster, MD, San Francisco, Calif % Jeffrey L. Glassroth, MD, Boston, Mass % Robert J. Goldberg, PhD, Worcester, Mass % Kurt Kroenke, MD, Indianapolis, Ind % Henry T. Lynch, MD, Omaha, Neb % Mary M. McDermott, MD, Chicago, Ill % Bruce M. Psaty, MD, PhD, MPH, Seattle, Wash % Kathryn M. Rexrode, MD, MPH, Boston, Mass % Marc Roberts, PhD, Boston, Mass % Mohammed F. Saad, MD, Los Angeles, Calif % Mary E. Tinetti, MD, New Haven, Conn

Offices: 515 N State St, Chicago, IL 60610

Catherine D. DeAngelis, MD, MPH % Editor in Chief % Scientific Publications & Multimedia Applications

Cheryl Iverson: Managing Editor

Department Director: Paula Glitman % Manuscript Editing Manager: Lauren B. Fischer % Senior Manuscript Editors: Dee E. Egger, John McFadden, Donald S. Smith % Manuscript Editor: Karen L. Boyd % Freelance Manuscript Editing Manager: Diane L. Cannon % Freelance Manuscript Editing Coordinators: Vickey Golden, Connie Manno, Cheryl L. Tobey % Freelance Copy Editors and Copyreaders: Catherine A. Alden, Lisa M. Cluver, Mary Coerver-Connolly, Allison Esposito, Laura King, Mary A. Kingzette, Nicole C. Netter, Caroline Woods % Editorial Systems Managers: Paul Frank, Monica Mungle % Systems Programmer/Internet Specialist: J.D. Neff % Editorial Assistant: Wanda Hill

Executive Assistant to the Editor: Marla A. Hall

Director: Margaret Winker, MD % Electronic Media Department Director: Michelle Kurzynski % Associate Web Editors: Erin M. Giannini, Peter Kim % Web Administrative Assistant: Reuben Rios

Senior VP & Publisher: Robert A. Musacchio, PhD % Assistant Publisher: Geoffrey Flick % VP Office Staff: Paul Gasiecki, Terri Hanley, Christine Hearne

Richard Newman Bonnie Chi-Lum, MD, MPH

Publishing Director: Frank Iorio % Director, Circulation Sales & Marketing: William Fox % Director, Licensing & Permissions: Norman Frankel, PhD % Managers: Kathy Dalton, Vida Damijonaitis % Staff: Rhonda Bailey Brown, Millette Jackson-Bates, Sandra Garzon, Anna Goins, Jeremy Nielsen, Saskia Volkers % Director, Marketing Support Services: Mark Thornbury % Staff: Nancy Bell, Susan Lovenberg, Mirna Monal, Dennis Sammartino, Debra Ann Sardo % Director, Reprints: Mark Kuhns

Director: Jeffery J. Bonistalli

Sales Representatives: Peter G. Messina, Patricia Quilty

Manager: Thalia Moss % Staff: Shana Brown, Colleen Casey, Kim Jenkins

Division Director: Vanessa Hayden % Directors: Karen Adams-Taylor, Carmela Barhany, Sue Sherrill % Managers: David Antos, Karen Branham, Suzanne J. Bukovsky, Debbie Camp, Diane Darnell, Karl Elvin, Betty Frigerio, Linda Gardner, Charl Jensen, Mary Ellen Johnston, Mark Matura, Michael McGraw, Phil O'Leary, Susan Price, Alfred Tomaselli, Stacy Tucker % Advertising and Production Services: Susan Chiara, Mary Anne Donley, Euwanaha Joiner-Smith, Brian McCartney, Noemi Olmo, Mercy Oni, Ryan Patella, Carole Piszker, Cindy Rendlen, Denise Steinhauser, Ellen Yoshihara % Circulation Processing: Bernadette Bauer, Julie Burton, Linda Christian, Rosa Eng, Felicia Kyles, Lawrence Majkszak, Kathryn Osten % Composition and New Media: Gail Barrett, Regina Brownlee, Brenda Chandler-Grayer, Amy Evers, Angela Kim, Mary Ann Kuranda, Sandra Lopez, Bruce McGregor, Sean O'Donnell, Patricia E. Panek, Ted Piwowar, La'son Diggs Sledge, George Thomson % Graphics: Joe Amft, Fred Furtner, Carolyn Hall, Maria Kowalkowski, Chris Meyer, JoAnne Weiskopf % Proofreading: Carol Joy Farrell, Daniel James, Judith A. Literskis, Teresa H. Omiotek, Barbara Wojtowicz, Agnes A. Zarkadas

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 2005 by the American Medical Association. All rights reserved. Reproduction without permission is prohibited.