Institution: | 1. Department of Microbiology and Immunology, The University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA.;2. Centocor Research & Development, Inc., Radnor, PA 19087, USA.;3. Department of Anatomy and Radiology, University of Georgia, Athens, GA 30602, USA.;4. Inverness Medical Diagnostics, Scarborough, ME 04074, USA.;5. Department of Medicine, The University of Texas Southwestern, Dallas, TX 75390, USA. |