1. Department of Dermatology; University of Texas Medical School of Houston; Houston; TX; USA
2. Baylor College of Medicine; Houston; TX; USA
3. Department of Dermatology; Baylor College of Medicine; Houston; TX; USA
4. Department of Pathology & Immunology; Baylor College of Medicine; Houston; TX; USA
5. Department of Internal Medicine; Baylor College of Medicine; Houston; TX; USA