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About This Journal |

About This Journal FREE

JAMA. 2002;287(18):. doi:JSL2871.
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Published online

JAMA, which began publication in 1883, is an international peer-reviewed general medical journal.

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



To promote the science and art of medicine and the betterment of the public health.


  1. To publish original, important, well-documented, peer-reviewed clinical and laboratory articles on a diverse range of medical topics

  2. To provide physicians with continuing education in basic and clinical science to support informed clinical decisions

  3. To enable physicians to remain informed in multiple areas of medicine, including developments in fields other than their own

  4. To improve public health internationally by elevating the quality of medical care, disease prevention, and research provided by an informed readership

  5. To foster responsible and balanced debate on controversial issues that affect medicine and health care

  6. To forecast important issues and trends in medicine and health care

  7. To inform readers about nonclinical aspects of medicine and public health, including the political, philosophic, ethical, legal, environmental, economic, historical, and cultural

  8. To recognize that, in addition to these specific objectives, THE JOURNAL has a social responsibility to improve the total human condition and to promote the integrity of science

  9. To report American Medical Association policy, as appropriate, while maintaining editorial independence, objectivity, and responsibility

  10. To achieve the highest level of ethical medical journalism and to produce a publication that is timely, credible, and enjoyable to read



Editor: Cathy DeAngelis, MD, MPH

Manuscript Submission: All manuscripts should be sent to Editor, JAMA , 515 N State St, Chicago, IL 60610, USA; phone: (312) 464-2402; fax: (312) 464-5824; e-mail: JAMAms@ama-assn.org.
Letters to the Editor: Lisa Hardin; phone: (312) 464-2405; fax: (312) 464-5225; e-mail: Lisa_Hardin@ama-assn.org.
Medical News & Perspectives: Marsha Goldsmith; phone: (312) 464-2447; e-mail: Marsha_Goldsmith@ama-assn.org.
Book, Journal, and New Media Reviews: Harriet Meyer, MD; phone: (312) 464-2421; e-mail: Harriet_Meyer@ama-assn.org.


AMA members: Phone: 800-262-3211 between 8:30 AM-4:45 PM CST; Fax: 800-262-3221; E-mail: msc@ama-assn.org.
Other physicians and nonphysician customers: Phone: 800-262-2350 or 312-670-7827 (same hours as above); Fax: 312-464-5831; E-mail: ama-subs@ama-assn.org.
Mail inquiries should be directed to the Unified Service Center, American Medical Association, PO Box 10946, Chicago, IL 60610-0946.
For mail inquiries outside the US and the Americas: Contact JAMA and Archives Journals, American Medical Association, Tower House, Sovereign Park, Market Harborough, Leicestershire LE15 9EF, UK. Phone: +44 (0) 1858-438880; Fax: +44 (0) 1858-434958; E-mail: ama@subscription.co.uk.


Author Reprints: Reprints coordinator; phone: (312) 464-4594; fax: (312) 464-4849.
Commercial & Educational Reprints: Wanda Bartolotta; phone: (718) 946-7424; fax: (718) 946-7372; e-mail: Wanda_Bartolotta@ama-assn.org.


Information about obtaining permission to republish, reprint, or adapt material published in JAMA is available from Rhonda Bailey; phone: (312) 464-2513; fax: (312) 464-5835; e-mail: Rhonda_Bailey@ama-assn.org.


JAMA is published in 16 international editions in 11 languages. For more information, contact Millette Bates; phone: (312) 464-4868; fax: (312) 464-5834; e-mail: Millette_Jackson@ama-assn.org.


Eastern: Susan J. Carollo, Nancy E. Souza, 119 Cherry Hill Rd, Third Floor, Parsippany, NJ 07054; phone: (973) 263-9191; e-mail: Susan_Carollo@ama-assn.org, Nancy_Souza@ama-assn.org.
Midwest/Farwest: Jeffery J. Bonistalli, 515 N State St, Chicago, IL 60610; phone: (312) 464-2551; e-mail: Jeff_Bonistalli@ama-assn.org.
Classified: Crystal Wells, 515 N State St, Chicago, IL 60610; phone: (312) 464-2456; e-mail: Crystal_Wells@ama-assn.org.


Editor: Catherine D. DeAngelis, MD, MPH
Executive Deputy Editor: Phil B. Fontanarosa, MD
Deputy Editors: Richard M. Glass, MD; Drummond Rennie, MD; Margaret A. Winker, MD
Senior Contributing Editor: M. Therese Southgate, MD
Managing Senior Editor: Annette Flanagin
Senior Editor: Stephen J. Lurie, MD, PhD
Contributing Editors: Charles B. Clayman, MD; Helene M. Cole, MD; Thomas B. Cole, MD, MPH; David S. Cooper, MD; Michael S. Lauer, MD; Wendy Levinson, MD; David H. Mark, MD, MPH; Robert A. McNutt, MD; Harriet S. Meyer, MD; Carin M. Olson, MD; Jeanette M. Smith, MD; Jody W. Zylke, MD
Consulting Editor: Deborah J. Cook, MD
Statistical Editor: Naomi Vaisrub, PhD
Associate Editors: Charlene Breedlove, Roxanne K. Young
Fishbein Fellow: Janet M. Torpy, MD
Medical News & Perspectives: Marsha F. Goldsmith (editor); Mike Mitka, Joan Stephenson, PhD, Brian Vastag (associate editors); Rebecca Voelker (contributing editor)
Assistant Editors: Jennifer Reiling, Juliana M. Walker
MS JAMA: Stuart P. Weisberg (editor)
Assistant to the Editor: Helga Fritz
Administrative Assistant: Nadine Siewnarine
Editorial Graphics: Ronna Henry Siegel, MD (director); Cassio Lynm (medical illustrator)
Electronic Media: Michelle Kurzynski (director); Katherine Behar, Erin Giannini (associate Web editors); Marla A. Hall (Web office manager)
Editorial Systems and Administration: Elaine Williams (director); Gale Saulsberry (database specialist); Lenette Gardner-Gullens (electronic input supervisor); Fanny L. Brown, Celina Canchola (electronic input specialists)
Staff Assistant: Gloria Tate
Editorial Assistants: Patricia Joworski (group supervisor); Mary Cannon, Susan Collister, Dawn Cortez, Audrey Forman, Shirley Gogins, Gwenn Gregg, Lisa Hardin, Carmina Landeros, Mary Ann Lilly, Rachell M. Lozano, Rosa E. Miranda, Lupe Morales, Ethel Pinkston, Kenny Stewart
Editorial Processing Division: Cheryl Iverson (director); Paul Frank, Monica Mungle (editorial systems managers); J. D. Neff (associate editorial systems developer)
Copyediting: Stacy L. Christiansen (director); Joy K. Jaeger (abstracts editor); Coleen Adamson, Susan R. Benner, Beverly Stewart (senior copy editors); Phil Sefton, Heather A. Shebel, Cara Wallace


Daniel M. Albert, MD, University of Wisconsin Hospital and Clinics, Madison, Wis
Kenneth A. Arndt, MD, Harvard Medical School, Boston, Mass
H. David Banta, MD, The Netherlands Organization for Applied Scientific Research, Leiden, the Netherlands
Michael Berger, MD, Heinrich Heine Universität Düsseldorf, Düsseldorf, Germany
Robert J. Blendon, ScD, Harvard University, Boston, Mass
Marjorie A. Bowman, MD, MPA, University of Pennsylvania Health System, Philadelphia, Pa
Joseph T. Coyle, MD, Harvard Medical School, Boston, Mass
James E. Dalen, MD, University of Arizona College of Medicine, Tucson, Ariz
Lois DeBakey, PhD, Baylor College of Medicine, Houston, Tex
Pierre Durieux, MD, MPH, Université Paris 6, Paris, France
Ronald G. Evens, MD, Barnes-Jewish Hospital, St Louis, Mo
Michael E. Johns, MD, Robert W. Woodruff Health Sciences Center, of Emory University, Atlanta, Ga
Colin I. Johnston, MB, BS, University of Melbourne, Melbourne, Australia
Mary-Claire King, PhD, University of Washington, Seattle, Wash
Wayne F. Larrabee, Jr, MD, University of Washington, Seattle, Wash
Joseph K. Lim, MD, Yale University School of Medicine, New Haven, Conn
Donald A. B. Lindberg, MD, National Library of Medicine, Bethesda, Md
Kenneth D. McClatchey, MD, DDS, Loyola University Medical Center, Maywood, Ill
C. David Naylor, MD, DPhil, University of Toronto, Toronto, Ontario, Canada
Claude H. Organ, Jr, MD, University of California–Davis, East Bay, Oakland, Calif
Edmund D. Pellegrino, MD, Georgetown University, Washington, DC
Uwe E. Reinhardt, PhD Princeton University, Princeton, NJ
Povl Riis, MD, DSCI, DHC, Professor of Medicine, Copenhagen, Denmark
Frederick P. Rivara, MD, MPH, University of Washington, Seattle, Wash
William L. Roper, MD, MPH, University of North Carolina at Chapel Hill, Chapel Hill, NC
Roger N. Rosenberg, MD, University of Texas Southwestern Medical Center, Dallas, Tex
Masaaki Terada, MD, National Cancer Center, Tokyo, Japan


Bassel Atallah, MD,JAMA —Middle East
Mauro Bologna, MD,JAMA —Italy
Csaba Farsang, MD, DSc,JAMA —Hungary
Igor Francetic, MD, PhD,JAMA —Croatia
Evarist Feliu Frasnedo, MD,JAMA —Spain
Zbigniew A. Gaciong, MD, PhD,JAMA —Poland
Carlos R. Gherardi, MD,JAMA —Argentina
Carla Gikovate, MD, MSc,JAMA —Brazil
Hiromasa Ishii, MD,JAMA —Japan
Evin Kantemir, MD,JAMA —Turkey
A. J. Khan, SI, FRCP,JAMA —Pakistan
Li Chengyi, MD,JAMA —China
Victor Hugo Olmedo Canchola, MD,JAMA —Mexico
Ivan Vidmar, MD,JAMA—Slovenia
Jiří Widimský, MUDr, DrSc,JAMA —Czech/Slovak
Alexei Yurenev, MD,JAMA —Russia


Group Publisher: Nawin Gupta, PhD

Publishing Operations Division:
Division Director: Vanessa Hayden
Directors: Karen Adams-Taylor, Paul Gasiecki
Managers: David Antos, Karen Branham, Debbie Camp, Diane Darnell, Karl Elvin, Betty Frigerio, Mary Ellen Johnston, Carole Piszker, Susan Price, Charl Richey, Carmela Ware
Production Associates and Specialists, Advertising and Production Services: LaWanda Brown, Susan Chiara, Mary Anne Donley, Brian McCartney, Sarah Powell, Denise Steinhauser, Ellen Yoshihara
Composition: Rebecca Aiken, Brenda Chandler-Grayer, Amy Evers, Fred Furtner, Mary Ann Kuranda, Sandra Lopez
Database & New Media: Bruce McGregor (indexer), Clifford O. Barrett, Gail Barrett, Regina Brownlee, Rowena F. Dagang, John Marcinek, La'son Diggs Sledge, Angela Smits
Distribution: Linda Alexander
Graphics: Joe Amft, Noel Chaparro, Carolyn Hall, Maria Kowalkowski, Chris Meyer, JoAnne Weiskopf
Proofreading: Carol Joy Farrell, Daniel James, Teresa H. Omiotek, Mary Kay Tinerella, Barbara Wojtowicz, Agnes A. Zarkadas

Director, Circulation and Classified Advertising: Curt Reilly
Circulation Processing: Karen Howes (director); Alfred Tomaselli (manager)
Circulation Development: Bina Oza Trivedi (director); Vida Damijonaitis, Donna Goldman, Michael McGraw (managers)
Classified Advertising: Crystal Wells (director); Thalia Moss (manager) (800) 2362-2260; 515 N State St, Chicago, IL 60610
Subscriber Services: (800) 262-2350; fax: (312) 464-5831; e-mail: ama-subs@ama-assn.org
Licensing and Permissions: Norman Frankel, PhD (director); Rhonda Bailey (permissions); fax: (312) 464-5835
National Sales Director: Peter J. Murphy
Publishing Manager: Geoffrey A. Flick
Advertising Sales Staff: Stuart H. Williams (director)
Eastern: Susan J. Carollo, Nancy E. Souza (representatives); 119 Cherry Hill Rd, Third Floor, Parsippany, NJ 07054, (973) 263-9191
Midwest/Farwest: Jeffery J. Bonistalli (representative); 515 N State St, Chicago, IL 60610, (312) 464-2551


Joshua Lederberg, PhD (chair), Christine K. Cassel, MD, David A. Kessler, MD, JD, Robert A. Musacchio, PhD, William M. Passano, Jr, Roy M. Pitkin, MD, Kenneth I. Shine, MD


Executive Vice President, Chief Executive Officer: Michael D. Maves, MD, MBA
Senior Vice President, Publishing and Business Services: Robert A. Musacchio, PhD
President: Richard F. Corlin, MD
President-Elect: Yank D. Coble, Jr, MD
Immediate Past President: Randolph D. Smoak, Jr, MD
Speaker, House of Delegates: John A. Knote, MD
Vice-Speaker, House of Delegates: Nancy H. Nielsen, MD, PhD
Trustees: Timothy T. Flaherty, MD (chair); J. Edward Hill, MD (chair-elect); Donald J. Palmisano, MD (secretary-treasurer); Herman I. Abromowitz, MD; Susan Hershberg Adelman, MD; Duane M. Cady, MD; Ronald M. Davis, MD; Hillary Johnson (student); D. Ted Lewers, MD; John C. Nelson, MD; William G. Plested III, MD; J. James Rohack, MD; Joseph A. Riggs, MD; Bruce A. Scott, MD (young physician); Peter Y. Watson, MD (resident)




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Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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