1. Genes and Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, USA
2. Biochemistry and Molecular Biology Dept, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, USA
3. Oklahoma Center for Neuroscience, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, USA
4. Stephenson Cancer Center, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, USA
5. Department of Geriatric Medicine, University of Oklahoma Health Sciences Center, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, USA