[1] UNIV ROCHESTER, SCH MED, DEPT BIOCHEM, ROCHESTER, NY 14642 USA
[2] UNIV ROCHESTER, SCH MED, DEPT PATHOL & LAB MED, ROCHESTER, NY 14642 USA
[3] UNIV ROCHESTER, SCH MED, DEPT MED, INFECT DIS UNIT, ROCHESTER, NY 14642 USA
[4] UNIV ROCHESTER, SCH MED, CTR CANC, ROCHESTER, NY 14642 USA
[5] PENN STATE UNIV, MILTON S HERSHEY MED CTR, COLL MED, DEPT MICROBIOL & IMMUNOL, HERSHEY, PA 17033 USA
[6] PENN STATE UNIV, MILTON S HERSHEY MED CTR, COLL MED, DEPT PATHOL, HERSHEY, PA 17033 USA