1. Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama.
2. Institute of Microbial Technology, Chandigarh, India.
3. Department of Anesthesiology, Physiology and Biophysics, and Environmental Sciences, University of Alabama at Birmingham, Birmingham, Alabama.
4. Department of Free Radical Biology, University of Alabama at Birmingham, Birmingham, Alabama.
5. Centers for AIDS Research, University of Alabama at Birmingham, Birmingham, Alabama.
6. KwaZulu-Natal Research Institute for Tuberculosis and HIV, Durban, South Africa.
7. Department of Pathology, Nelson Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa.