1. Medical School, University of Texas-Houston, Houston, TX 77030, USA
2. Graduate School of Biomedical Sciences, Program in Molecular Pathology, University of Texas-Houston Health Science Center, Houston, TX, USA
3. Corporate and Foundation Relations, Washington University School of Medicine, St Louis, MO 63105, USA
4. Department of Internal Medicine-Infectious Diseases, Medical School, University of Texas-Houston, Houston, TX, USA
5. Department of Biochemistry and Molecular Biology, Medical School, University of Texas-Houston, Houston, TX, USA
6. Department of Pathology, Medical School, University of Texas-Houston, Houston, TX, USA