[1] UNIV ROCHESTER, SCH MED, DEPT MED, ROCHESTER, NY USA
[2] UNIV ROCHESTER, SCH MED, DEPT PHARMACOL & TOXICOL, ROCHESTER, NY 14642 USA
[3] NIDR, LAB MICROBIOL & IMMUNOL, BETHESDA, MD 20014 USA
[4] UNIV ROCHESTER, SCH MED, DEPT CLIN DENT, ROCHESTER, NY USA
[5] UNIV CONNECTICUT, HLTH CTR, SCH MED, DEPT MED, FARMINGTON, CT 06032 USA