Texas Medicine (ISSN 0040-4470) is published monthly by the Texas Medical Association, 401 W. 15th St., Austin 78701. (800) 880-1300, (512) 370-1300
Copyright 2013 Texas Medical Association. Owned and issued monthly by the association. Publisher: Texas Medical Association
TMA Executive Vice President: Louis J. Goodman, PhD, Austin Vice President, Communications: Steve Levine
Staff Editor: Larry BeSaw
Managing Editor: Shari Henson Associate Editor: Crystal Zuzek
Associate Editor: Amy Lynn Sorrel Clinical Articles Editor: Lynn M. Alperin Editorial Assistant: Debra Heater
Art Director: Lauren Levi
Advertising Staff (512) 370-1423
Sales Director: Rebecca Stevens TMA Board of Trustees
Carlos J. Cardenas, MD, Edinburg, Chair Don R. Read, MD, Dallas, Vice Chair
E. Linda Villarreal, MD, Edinburg, Secretary Douglas W. Curran, MD, Athens David C. Fleeger, MD, Austin Lewis E. Foxhall, MD, Houston A. Tomas Garcia III, MD, Houston
David N. Henkes, MD, San Antonio Dan K. McCoy, MD, Dallas
Vinh Nguyen, MD, Houston, Resident Member Blair Cushing, Fort Worth, Student Member
Stephen L. Brotherton, MD, Fort Worth, President Austin I. King, MD, Abilene, President-Elect
Michael E. Speer, MD, Houston, Immediate Past President Art L. Klawitter, MD, Needville, Secretary/Treasurer Clifford K. Moy, MD, Richardson, Speaker
Susan M. Strate, MD, Wichita Falls, Vice Speaker
Texas Medicine Editorial Board John C. Jennings, MD, Chair, League City John J. Costanzi, MD, Austin Gordon Green, MD, Dallas
John R. Pettigrove, MD, Corpus Christi Alina Saldarriaga, MD, Houston Charlotte H. Smith, MD, Austin Surendra K. Varma, MD, Lubbock Alexis Wiesenthal, MD, San Antonio
4 TEXAS MEDICINE August 2013
The articles published in Texas Medicine do not necessarily reflect the official policy of the Texas Medi- cal Association. Publication of an advertisement is not to be consid- ered an endorsement or approval by the Texas Medical Association of the product or service involved. Periodi- cals Postage Paid at Austin, TX, and additional mailing offices.
Subscriptions: 401 W. 15th St., Austin, TX 78701, c/o Finance Office. Sub- scription rates are: Members, $20 per year; nonmembers and institu- tions, $40 per year; foreign, $48 U.S. currency; single copy, $4 plus $0.32 sales tax. For more information, e-mail
knowledge@texmed.org.
Postmaster: Send address changes to Texas Medicine, 401 W. 15th St., Austin, TX 78701.
Texas Medicine Mission Statement
Key Objective: To improve the health of all Texans by furthering dialogue and understanding within the Texas Medical Association membership.
Critical Objectives:
1. To promote integrity in the prac- tice of medicine among Texas physicians.
2. To further the practice of medi- cine as the artful application of scientific knowledge in the health care of Texans.
3. To ensure that Texas physicians are informed on political, legal, and administrative activities that influence the practice of medicine through the publication of timely, credible, and relevant articles.
4. To encourage balanced debate on issues that affect health care in Texas.
5. To enhance the character and reputation of Texas physicians through the promotion of profes- sionalism, advocacy, and service.
6. To enhance the desirability of membership in the Texas Medical Association.
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