Early Release
The MMWR series of publications is published by the Center for Surveillance, Epidemiology, and Laboratory Services, Centers for Disease Control and Prevention (CDC),
U.S. Department of Health and Human Services, Atlanta, GA 30329-4027.
Suggested citation: [Author names; first three, then et al., if more than six.] [Title]. MMWR 2014;63(Suppl-#):[inclusive page numbers].
Centers for Disease Control and Prevention
Thomas R. Frieden, MD, MPH, Director
Harold W. Jaffe, MD, MA, Associate Director for Science
Joanne Cono, MD, ScM, Director, Office of Science Quality
Chesley L. Richards, MD, MPH, Deputy Director for Public Health Scientific Services
Michael F. Iademarco, MD, MPH, Director, Center for Surveillance, Epidemiology, and Laboratory Services
MMWR Editorial and Production Staff (Serials)
Charlotte K. Kent, PhD, MPH, Acting Editor-in-Chief
Christine G. Casey, MD, Editor
Teresa F. Rutledge, Managing Editor
David C. Johnson, Lead Technical Writer-Editor
Catherine B. Lansdowne, MS, Project Editor
Martha F. Boyd, Lead Visual Information Specialist
Maureen A. Leahy, Julia C. Martinroe,
Stephen R. Spriggs, Terraye M. Starr
Visual Information Specialists
Quang M. Doan, MBA, Phyllis H. King
Information Technology Specialists
MMWR Editorial Board
William L. Roper, MD, MPH, Chapel Hill, NC, Chairman
Matthew L. Boulton, MD, MPH, Ann Arbor, MI
Virginia A. Caine, MD, Indianapolis, IN
Jonathan E. Fielding, MD, MPH, MBA, Los Angeles, CA
David W. Fleming, MD, Seattle, WA
William E. Halperin, MD, DrPH, MPH, Newark, NJ
King K. Holmes, MD, PhD, Seattle, WA
Timothy F. Jones, MD, Nashville, TN
Rima F. Khabbaz, MD, Atlanta, GA
Dennis G. Maki, MD, Madison, WI
Patricia Quinlisk, MD, MPH, Des Moines, IA
Patrick L. Remington, MD, MPH, Madison, WI
William Schaffner, MD, Nashville, TN
CONTENTS
Introduction ............................................................................................................1
Methods
....................................................................................................................1
Results
.......................................................................................................................3
Discussion
................................................................................................................4
Limitations
...............................................................................................................4
Conclusion
...............................................................................................................4
Acknowledgments
................................................................................................4
References
...............................................................................................................4
Appendix
.................................................................................................................. 5
