Affiliation: | 1. Division of Pediatric Rheumatology, Texas Children''s Hospital/Baylor College of Medicine, 6621 Fannin Street MC 3-2290, Houston, TX 77030, USA;2. Department of Neurology, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, Mail Code # 7883, San Antonio, TX 78229-3900, USA |