1. U. of Tennessee at Chattanooga,Dept. of Computer Science & Engineering,Chattanooga,TN,U.S.A
2. Huffington Ctr. on Aging Baylor Coll. of Medicine,Dept. Molecular & Human Genetics,Houston,U.S.A
3. U. of Tennessee at Chattanooga,SimCenter,Dept. of Computer Science & Engineering,Chattanooga,TN,U.S.A