1. Department of Pathology; University of Alabama at Birmingham; Birmingham Alabama USA
2. Center for Free Radical Biology; University of Alabama at Birmingham; Birmingham Alabama USA
3. Department of Veterans Affairs; Birmingham VA Medical Center; Birmingham Alabama USA
4. Laboratoire de Biochimie; U.F.R. Sciences et Techniques; Université de Franche-Comté; Besançon Cedex France
5. Department of Pediatrics; University of Alabama at Birmingham; Birmingham Alabama USA
6. Department of Biostatistics; UAB School of Public Health; Birmingham Alabama USA