1. Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL, USA
2. Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL, USA
3. Department of Medicine and Microbiology, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA
4. Comprehensive Cancer Center, Cancer Chemoprevention Program, University of Alabama at Birmingham, Birmingham, AL, USA
5. Pathology and Laboratory Medicine Service, VA Medical Center, Birmingham, AL, USA