a1 University of Texas Southwestern Children’s Medical Center at Dallas, Dallas, Texas, United States of America
(Received July 09 2009)
(Accepted March 14 2010)
(Online publication July 12 2010)
Correspondence:
c1 Correspondence to: C. W. Baird, MD, University of Texas Southwestern Children’s Medical Center at Dallas, 1935 Motor Street, Suite C3211, Dallas, TX 75235, Texas, United States of America. Tel: 214 456 5000; Fax: 214 456 5015; E-mail: bairdc1@gmail.com and christopher.baird@utsouthwestern.edu