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JAMA

JAMA Editorial Staff Editor in Chief Howard Bauchner, MD Executive Editor Phil B. Fontanarosa, MD, MBA Deputy Editors Michael Berkwits, MD, MSCE, Robert M. Golub, MD, Ronna Henry, MD, Edward H. Livingston, MD, Jody W. Zylke, MD Executive Managing Editor Annette Flanagin Managing Editor Stacy L. Christiansen Senior Editors Philip Greenland, MD, Mary McGrae McDermott, MD Associate Senior Editor Roxanne K. Young Associate Editors Derek C. Angus, MD, MPH, Ethan Basch, MD, Charlene Breedlove, Anne Rentoumis Cappola, MD, ScM, Helene M. Cole, MD, Thomas B. Cole, MD, MPH, W. Gregory Feero, MD, PhD, J. Michael Gaziano, MD, MPH, Donald C. Goff, MD, Jill Jin, MD, MPH, Preeti N. Malani, MD, MSJ, David H. Mark, MD, MPH, Robert A. McNutt, MD, George T. O’Connor, MD, MS, Boris Pasche, MD, PhD, Eric D. Peterson, MD, MPH, Jeffrey L. Saver, MD, Deborah Schrag, MD, MPH, Jeanette M. Smith, MD, Wolfgang C. Winkelmayer, MD, MPH, ScD Statistical Reviewers Joseph S. Wislar, MS, Naomi Vaisrub, PhD, Thomas D. Koepsell, MD, MPH, Roger J. Lewis, MD, PhD, Michael J. Pencina, PhD, Denise M. Scholtens, PhD, Alan B. Zonderman, PhD Fishbein Fellow Amy E. Thompson, MD Contributing Writers Allan S. Detsky, MD, PhD, Elliott S. Fisher, MD, MPH, Lawrence O. Gostin, JD, John P. A. Ioannidis, MD, DSc, Ashish K. Jha, MD, MPH, David S. Ludwig, MD, PhD, Bruce M. Psaty, MD, PhD, Stephen M. Shortell, PhD, MPH, MBA, Robert Steinbrook, MD, Mary E. Tinetti, MD, Abraham Verghese, MD, Kevin Volpp, MD, PhD, Steven H. Woolf, MD, MPH Medical News & Perspectives Feyza Sancar, PhD (editor); Rebecca Voelker, MSJ (associate managing editor); Joan Stephenson, PhD (consulting editor) Assistant Editors Carrie Butt, Kate Pezalla, Jennifer Reiling Manuscript Editing Emily A. Greenhow, Joy K. Jaeger, Phil Sefton, Kristine B. Simmons, Beverly Stewart (senior manuscript editors); Kim S. P. Campbell, Lila Haile (manuscript editors); Cara Wallace (freelance manuscript editor) Editorial Graphics Karen Bucher (senior medical illustrator); Joshua C. Bird (medical illustrator); David Song (editorial assistant) Electronic Media Michelle Kurzynski (director, development and design); Eric Butkus, Will English IV, Christopher Hastings, Craig McCaffrey (developers/designers); Reuben Rios (social media coordinator) Editorial Services and Systems Monica Mungle (director); Peter K. Kim (programmer analyst); Kathryn Muskovich (project administrator) Content Management System Larry Bryant (director); Paul Frank (systems administrator) Editorial Systems and Administration Elaine Williams (director); Gale Saulsberry (database specialist); Lenette Gardner-Gullens (electronic input supervisor); Fanny L. Brown, Michaela Mark (electronic input assistants) Administration Marla A. Hall (director); Gloria Tate (supervisor); Deanna M. Willis (staff assistant); Yolanda Davis (copyright/library services coordinator) Editorial Assistants Mary Cannon, Susan Collister, Carmina Conley, Dawn Cortez, Georgia Eaton, Audrey Forman, Gwenn Gregg, Lisa Hardin, Rachell M. Lozano, Rosa E. Miranda, Lupe Morales, Cheryl Sykes Editorial Counsel Joseph P. Thornton, JD Media Relations Jim Michalski, Deanna Bellandi Editorial Board Donald M. Berwick, MD, MPP, Newton, Massachusetts Christine K. Cassel, MD, Philadelphia, Pennsylvania Carolyn M. Clancy, MD, Silver Spring, Maryland Jordan J. Cohen, MD, Washington, DC Ezekiel J. Emanuel, MD, PhD, Philadelphia, Pennsylvania Thomas R. Frieden, MD, MPH, Atlanta, Georgia Lee Goldman, MD, MPH, New York, New York Michael M. E. Johns, MD, Atlanta, Georgia Donald A. B. Lindberg, MD, Bethesda, Maryland C. David Naylor, MD, DPhil, Toronto, Ontario, Canada Steven E. Nissen, MD, Cleveland, Ohio Uwe E. Reinhardt, PhD, Princeton, New Jersey Griffin Rodgers, MD, Bethesda, Maryland Joshua M. Sharfstein, MD, Baltimore, Maryland Harold C. Sox, MD, Hanover, New Hampshire Lars Wallentin, MD, PhD, Uppsala, Sweden John E. L. Wong, MBBS, Singapore The JAMA Network Editorial Board Neil Bressler, MD Editor, JAMA Ophthalmology Mary L. (Nora) Disis, MD Editor, JAMA Oncology Stephan Heckers, MD, MSc Editor, JAMA Psychiatry Melina R. Kibbe, MD Editor, JAMA Surgery Paul A. Levine, MD Editor, JAMA Otolaryngology–Head & Neck Surgery Rita F. Redberg, MD, MSc Editor, JAMA Internal Medicine John S. Rhee, MD, MPH Editor, JAMA Facial Plastic Surgery Frederick P. Rivara, MD, MPH Editor, JAMA Pediatrics June K. Robinson, MD Editor, JAMA Dermatology Roger N. Rosenberg, MD Editor, JAMA Neurology Journal Oversight Committee Edward H. Shortliffe, MD, PhD (chair), New York, New York, and Scottsdale, Arizona Kent R. Anderson, Washington, DC Francisco G. Cigarroa, MD, San Antonio, Texas Vivian S. Lee, MD, PhD, MBA, Salt Lake City, Utah Claire Pomeroy, MD, MBA, New York, New York A. Eugene Washington, MD, MSc, Los Angeles, California Modena Wilson, MD, MPH, Chicago, Illinois Former Editors Nathan S. Davis, MD (1883-1888) John B. Hamilton, MD (1889, 1893-1898) John H. Hollister, MD (1889-1891) James C. Culbertson, MD (1891-1893) Truman W. Miller, MD (1899) George H. Simmons, MD (1899-1924) Morris Fishbein, MD (1924-1949) Austin Smith, MD (1949-1958) Johnson F. Hammond, MD (1958-1959) John H. Talbott, MD (1959-1969) Hugh H. Hussey, MD (1970-1973) Robert H. Moser, MD (1973-1975) William R. Barclay, MD (1975-1982) George D. Lundberg, MD (1982-1999) Catherine D. DeAngelis, MD, MPH (2000-2011), Editor in Chief Emerita Periodical Publications Staff Senior Vice President and Publisher, Periodical Publications Thomas J. Easley Vice President, Publishing Business Operations Brian Shields Staff Monica Smith Business Operations Directors Karen Adams-Taylor, Karl Elvin, Sean O’Donnell, Sue Sherrill Managers David Antos, Chris Borden, Debra Camp, Lydia Cruz, Scott Curl, Diane Darnell, Colleen Kelly, Chris Meyer, Jaye Mize, Annemarie Neff, J. D. Neff, Sean Ohlson, Phil O'Leary, Susan Price, Denise Steinhauser Advertising and Production Services Kim Boler, Rhonda Bailey Brown, Timothy Burke, Daniel DeGroot, Jordynn Farrar, Euwanaha Joiner-Smith, Tiffany Jones, Cindy Rendlen, Ellen Yoshihara Circulation Services Julie Burton, Dexter Golden, Erin Hinchliff, Maria Nienhaus, Noemi Rivera, Geneine Van Someren Composition and New Media Gail Barrett, Regina Brownlee, Amanda Camino, Brenda Chandler-Grayer, Emily Dunn, Amy Evers, Teri Hutchison, Mary Ann Kuranda, Joshua Lampinen, Patricia E. Panek, La'son Diggs Sledge, George Thomson Graphics Joe Amft, Maria Duda, Fred Furtner, Carolyn Hall, Maria Kowalkowski Proofreading Carol Joy Farrell, Daniel James, Judith A. Literskis, Teresa H. Omiotek Advertising Print and Online Sales and Marketing Director Jeffery J. Bonistalli Manager Kathy Russell Staff Mirna Monal Sales Representatives Maureen A. Reichert (973-263-9191, ext. 226), Nancy E. Souza (973-263-9191, ext. 209) Advertising Sales, Marketing and Research Mark Thornbury (director) Reprint & ePrint Communications Susan Lovenberg (manager); Marsha Fogler (reprint sales representative) (USA: 1-800-482-1450; rest of world: 1-856-489-4446) Classified Advertising Thalia Moss (sales manager); Susan J. Henning (senior sales representative); Mike Harvey (sales representative) Print and Online Sales and Marketing Worldwide Sales Vida Damijonaitis (director); Saskia Bolore (Americas regional manager), Gretchen Linder (Europe/Middle East/Africa regional manager), Brian McCartney (Asia Pacific regional manager); Rebecca Haas, Christine Hearne (sales representatives); David Baum, Irma Millie Lara, Ron Thomas (staff) Marketing Elizabeth Solaro (director); Lindsay Dawson, Michael McGraw, Sara Nagy (managers); Millette Jackson-Bates (staff) Product Development Matt Herron, Paul Gee (directors); Geoffrey Flick (associate publisher/senior product development); Rick Bell, Romando Rossini, Stacy Tucker (manager) JAMA Contact Information Customer Service 800-262-2350 Editorial Office 312-464-4444 jamams@jamanetwork.org Media Relations 312-464-5262 mediarelations@jamanetwork.org Permissions 312-464-2513 permissions@ama-assn.org Reprints 312-464-0776 reprints@jamanetwork.com Product Advertising 973-263-9191 display@jamanetwork.com Classified Advertising 800-262-2260 classifieds@ama-assn.org Subscriptions/Licenses 312-464-2452 sales@jamanetwork.com AMA Executives and Trustees Executive Vice President, Chief Executive Officer James L. Madara, MD Chief Operating Officer Bernard L. Hengesbaugh President Robert M. Wah, MD President-Elect Steven J. Stack, MD Immediate Past President Ardis D. Hoven, MD Secretary Patrice A. Harris, MD, MA Speaker, House of Delegates Andrew W. Gurman, MD Vice-Speaker, House of Delegates Susan R. Bailey, MD Trustees Maya A. Babu, MD, MBA; David O. Barbe, MD, MHA (immediate past chair); Jesse M. Ehrenfeld, MD, MPH; Julie K. Goonewardene; Gerald E. Harmon, MD; Patrice A. Harris, MD, MA; Ardis D. Hoven, MD; William E. Kobler, MD; Russell W.H. Kridel, MD; Samuel J. Mackenzie, MS; Barbara L. McAneny, MD (chair); Mary Anne McCaffree, MD; Albert J. Osbahr III, MD; Stephen R. Permut, MD, JD (chair-elect); Jack Resneck Jr, MD; Carl A. Sirio, MD; Steven J. Stack, MD; Georgia A. Tuttle, MD; Robert M. Wah, MD The JAMA Network is a consortium of peer-reviewed print and online medical publications that includes JAMA and 9 specialty Network journals. ©2015 American Medical Association. All rights reserved. Reproduction without permission is prohibited. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA American Medical Association

JAMA

JAMA , Volume 313 (6) – Feb 10, 2015

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Publisher
American Medical Association
Copyright
Copyright © 2015 American Medical Association. All Rights Reserved.
ISSN
0098-7484
eISSN
1538-3598
DOI
10.1001/jama.2014.11568
Publisher site
See Article on Publisher Site

Abstract

Editorial Staff Editor in Chief Howard Bauchner, MD Executive Editor Phil B. Fontanarosa, MD, MBA Deputy Editors Michael Berkwits, MD, MSCE, Robert M. Golub, MD, Ronna Henry, MD, Edward H. Livingston, MD, Jody W. Zylke, MD Executive Managing Editor Annette Flanagin Managing Editor Stacy L. Christiansen Senior Editors Philip Greenland, MD, Mary McGrae McDermott, MD Associate Senior Editor Roxanne K. Young Associate Editors Derek C. Angus, MD, MPH, Ethan Basch, MD, Charlene Breedlove, Anne Rentoumis Cappola, MD, ScM, Helene M. Cole, MD, Thomas B. Cole, MD, MPH, W. Gregory Feero, MD, PhD, J. Michael Gaziano, MD, MPH, Donald C. Goff, MD, Jill Jin, MD, MPH, Preeti N. Malani, MD, MSJ, David H. Mark, MD, MPH, Robert A. McNutt, MD, George T. O’Connor, MD, MS, Boris Pasche, MD, PhD, Eric D. Peterson, MD, MPH, Jeffrey L. Saver, MD, Deborah Schrag, MD, MPH, Jeanette M. Smith, MD, Wolfgang C. Winkelmayer, MD, MPH, ScD Statistical Reviewers Joseph S. Wislar, MS, Naomi Vaisrub, PhD, Thomas D. Koepsell, MD, MPH, Roger J. Lewis, MD, PhD, Michael J. Pencina, PhD, Denise M. Scholtens, PhD, Alan B. Zonderman, PhD Fishbein Fellow Amy E. Thompson, MD Contributing Writers Allan S. Detsky, MD, PhD, Elliott S. Fisher, MD, MPH, Lawrence O. Gostin, JD, John P. A. Ioannidis, MD, DSc, Ashish K. Jha, MD, MPH, David S. Ludwig, MD, PhD, Bruce M. Psaty, MD, PhD, Stephen M. Shortell, PhD, MPH, MBA, Robert Steinbrook, MD, Mary E. Tinetti, MD, Abraham Verghese, MD, Kevin Volpp, MD, PhD, Steven H. Woolf, MD, MPH Medical News & Perspectives Feyza Sancar, PhD (editor); Rebecca Voelker, MSJ (associate managing editor); Joan Stephenson, PhD (consulting editor) Assistant Editors Carrie Butt, Kate Pezalla, Jennifer Reiling Manuscript Editing Emily A. Greenhow, Joy K. Jaeger, Phil Sefton, Kristine B. Simmons, Beverly Stewart (senior manuscript editors); Kim S. P. Campbell, Lila Haile (manuscript editors); Cara Wallace (freelance manuscript editor) Editorial Graphics Karen Bucher (senior medical illustrator); Joshua C. Bird (medical illustrator); David Song (editorial assistant) Electronic Media Michelle Kurzynski (director, development and design); Eric Butkus, Will English IV, Christopher Hastings, Craig McCaffrey (developers/designers); Reuben Rios (social media coordinator) Editorial Services and Systems Monica Mungle (director); Peter K. Kim (programmer analyst); Kathryn Muskovich (project administrator) Content Management System Larry Bryant (director); Paul Frank (systems administrator) Editorial Systems and Administration Elaine Williams (director); Gale Saulsberry (database specialist); Lenette Gardner-Gullens (electronic input supervisor); Fanny L. Brown, Michaela Mark (electronic input assistants) Administration Marla A. Hall (director); Gloria Tate (supervisor); Deanna M. Willis (staff assistant); Yolanda Davis (copyright/library services coordinator) Editorial Assistants Mary Cannon, Susan Collister, Carmina Conley, Dawn Cortez, Georgia Eaton, Audrey Forman, Gwenn Gregg, Lisa Hardin, Rachell M. Lozano, Rosa E. Miranda, Lupe Morales, Cheryl Sykes Editorial Counsel Joseph P. Thornton, JD Media Relations Jim Michalski, Deanna Bellandi Editorial Board Donald M. Berwick, MD, MPP, Newton, Massachusetts Christine K. Cassel, MD, Philadelphia, Pennsylvania Carolyn M. Clancy, MD, Silver Spring, Maryland Jordan J. Cohen, MD, Washington, DC Ezekiel J. Emanuel, MD, PhD, Philadelphia, Pennsylvania Thomas R. Frieden, MD, MPH, Atlanta, Georgia Lee Goldman, MD, MPH, New York, New York Michael M. E. Johns, MD, Atlanta, Georgia Donald A. B. Lindberg, MD, Bethesda, Maryland C. David Naylor, MD, DPhil, Toronto, Ontario, Canada Steven E. Nissen, MD, Cleveland, Ohio Uwe E. Reinhardt, PhD, Princeton, New Jersey Griffin Rodgers, MD, Bethesda, Maryland Joshua M. Sharfstein, MD, Baltimore, Maryland Harold C. Sox, MD, Hanover, New Hampshire Lars Wallentin, MD, PhD, Uppsala, Sweden John E. L. Wong, MBBS, Singapore The JAMA Network Editorial Board Neil Bressler, MD Editor, JAMA Ophthalmology Mary L. (Nora) Disis, MD Editor, JAMA Oncology Stephan Heckers, MD, MSc Editor, JAMA Psychiatry Melina R. Kibbe, MD Editor, JAMA Surgery Paul A. Levine, MD Editor, JAMA Otolaryngology–Head & Neck Surgery Rita F. Redberg, MD, MSc Editor, JAMA Internal Medicine John S. Rhee, MD, MPH Editor, JAMA Facial Plastic Surgery Frederick P. Rivara, MD, MPH Editor, JAMA Pediatrics June K. Robinson, MD Editor, JAMA Dermatology Roger N. Rosenberg, MD Editor, JAMA Neurology Journal Oversight Committee Edward H. Shortliffe, MD, PhD (chair), New York, New York, and Scottsdale, Arizona Kent R. Anderson, Washington, DC Francisco G. Cigarroa, MD, San Antonio, Texas Vivian S. Lee, MD, PhD, MBA, Salt Lake City, Utah Claire Pomeroy, MD, MBA, New York, New York A. Eugene Washington, MD, MSc, Los Angeles, California Modena Wilson, MD, MPH, Chicago, Illinois Former Editors Nathan S. Davis, MD (1883-1888) John B. Hamilton, MD (1889, 1893-1898) John H. Hollister, MD (1889-1891) James C. Culbertson, MD (1891-1893) Truman W. Miller, MD (1899) George H. Simmons, MD (1899-1924) Morris Fishbein, MD (1924-1949) Austin Smith, MD (1949-1958) Johnson F. Hammond, MD (1958-1959) John H. Talbott, MD (1959-1969) Hugh H. Hussey, MD (1970-1973) Robert H. Moser, MD (1973-1975) William R. Barclay, MD (1975-1982) George D. Lundberg, MD (1982-1999) Catherine D. DeAngelis, MD, MPH (2000-2011), Editor in Chief Emerita Periodical Publications Staff Senior Vice President and Publisher, Periodical Publications Thomas J. Easley Vice President, Publishing Business Operations Brian Shields Staff Monica Smith Business Operations Directors Karen Adams-Taylor, Karl Elvin, Sean O’Donnell, Sue Sherrill Managers David Antos, Chris Borden, Debra Camp, Lydia Cruz, Scott Curl, Diane Darnell, Colleen Kelly, Chris Meyer, Jaye Mize, Annemarie Neff, J. D. Neff, Sean Ohlson, Phil O'Leary, Susan Price, Denise Steinhauser Advertising and Production Services Kim Boler, Rhonda Bailey Brown, Timothy Burke, Daniel DeGroot, Jordynn Farrar, Euwanaha Joiner-Smith, Tiffany Jones, Cindy Rendlen, Ellen Yoshihara Circulation Services Julie Burton, Dexter Golden, Erin Hinchliff, Maria Nienhaus, Noemi Rivera, Geneine Van Someren Composition and New Media Gail Barrett, Regina Brownlee, Amanda Camino, Brenda Chandler-Grayer, Emily Dunn, Amy Evers, Teri Hutchison, Mary Ann Kuranda, Joshua Lampinen, Patricia E. Panek, La'son Diggs Sledge, George Thomson Graphics Joe Amft, Maria Duda, Fred Furtner, Carolyn Hall, Maria Kowalkowski Proofreading Carol Joy Farrell, Daniel James, Judith A. Literskis, Teresa H. Omiotek Advertising Print and Online Sales and Marketing Director Jeffery J. Bonistalli Manager Kathy Russell Staff Mirna Monal Sales Representatives Maureen A. Reichert (973-263-9191, ext. 226), Nancy E. Souza (973-263-9191, ext. 209) Advertising Sales, Marketing and Research Mark Thornbury (director) Reprint & ePrint Communications Susan Lovenberg (manager); Marsha Fogler (reprint sales representative) (USA: 1-800-482-1450; rest of world: 1-856-489-4446) Classified Advertising Thalia Moss (sales manager); Susan J. Henning (senior sales representative); Mike Harvey (sales representative) Print and Online Sales and Marketing Worldwide Sales Vida Damijonaitis (director); Saskia Bolore (Americas regional manager), Gretchen Linder (Europe/Middle East/Africa regional manager), Brian McCartney (Asia Pacific regional manager); Rebecca Haas, Christine Hearne (sales representatives); David Baum, Irma Millie Lara, Ron Thomas (staff) Marketing Elizabeth Solaro (director); Lindsay Dawson, Michael McGraw, Sara Nagy (managers); Millette Jackson-Bates (staff) Product Development Matt Herron, Paul Gee (directors); Geoffrey Flick (associate publisher/senior product development); Rick Bell, Romando Rossini, Stacy Tucker (manager) JAMA Contact Information Customer Service 800-262-2350 Editorial Office 312-464-4444 jamams@jamanetwork.org Media Relations 312-464-5262 mediarelations@jamanetwork.org Permissions 312-464-2513 permissions@ama-assn.org Reprints 312-464-0776 reprints@jamanetwork.com Product Advertising 973-263-9191 display@jamanetwork.com Classified Advertising 800-262-2260 classifieds@ama-assn.org Subscriptions/Licenses 312-464-2452 sales@jamanetwork.com AMA Executives and Trustees Executive Vice President, Chief Executive Officer James L. Madara, MD Chief Operating Officer Bernard L. Hengesbaugh President Robert M. Wah, MD President-Elect Steven J. Stack, MD Immediate Past President Ardis D. Hoven, MD Secretary Patrice A. Harris, MD, MA Speaker, House of Delegates Andrew W. Gurman, MD Vice-Speaker, House of Delegates Susan R. Bailey, MD Trustees Maya A. Babu, MD, MBA; David O. Barbe, MD, MHA (immediate past chair); Jesse M. Ehrenfeld, MD, MPH; Julie K. Goonewardene; Gerald E. Harmon, MD; Patrice A. Harris, MD, MA; Ardis D. Hoven, MD; William E. Kobler, MD; Russell W.H. Kridel, MD; Samuel J. Mackenzie, MS; Barbara L. McAneny, MD (chair); Mary Anne McCaffree, MD; Albert J. Osbahr III, MD; Stephen R. Permut, MD, JD (chair-elect); Jack Resneck Jr, MD; Carl A. Sirio, MD; Steven J. Stack, MD; Georgia A. Tuttle, MD; Robert M. Wah, MD The JAMA Network is a consortium of peer-reviewed print and online medical publications that includes JAMA and 9 specialty Network journals. ©2015 American Medical Association. All rights reserved. Reproduction without permission is prohibited.

Journal

JAMAAmerican Medical Association

Published: Feb 10, 2015

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