1. Department of Medical Microbiology, Immunology & Cell Biology; Southern Illinois University, School of Medicine; PO Box 19679 701 North First Street Springfield Illinois 62794-9679
2. Division of Orthopaedics and Rehabilitation, Department of Surgery; Southern Illinois University, School of Medicine; Springfield Illinois
3. Department of Biology; Bradley University; Peoria Illinois
4. Center for Advanced Friction Studies; Southern Illinois University Carbondale; Carbondale Illinois
5. Department of Electrical and Computer Engineering, Biomedical Engineering Program; Southern Illinois University Carbondale; Carbondale Illinois