1. Edward Via College of Osteopathic Medicine; Carolinas Campus 350 Howard Street Spartanburg South Carolina 29303 U.S.A
2. Graduate Group in Immunology; Vet Med PMI-5217 VM3A; University of California Davis; 1 Shields Avenue Davis California 95616 U.S.A
3. Biology Department; Western Kentucky University; Bowling Green Kentucky 42101-1080 U.S.A
4. Department of Biological Sciences; Moravian College; 1200 Main Street Bethlehem Pennsylvania 18018-6650 U.S.A