[1] WASHINGTON UNIV,SCH MED,DEPT OTOLARYNGOL,BOX 8096,660 S EUCLID AVE,ST LOUIS,MO 63110
[2] TUFTS UNIV,NEW ENGLAND MED CTR,SCH MED,DIV GEOG MED & INFECT DIS,BOSTON,MA 02111
[3] MASSACHUSETTS GEN HOSP,INFECT DIS UNIT,BOSTON,MA 02114
[4] MASSACHUSETTS GEN HOSP,DEPT NEUROPATHOL,BOSTON,MA 02114
[5] HARVARD UNIV,SCH MED,BOSTON,MA 02115
[6] WASHINGTON UNIV,SCH MED,DEPT PATHOL,ST LOUIS,MO 63110
[7] YALE UNIV,SCH MED,DEPT LAB MED,NEW HAVEN,CT 06510
[8] VET ADM MED CTR,VIROL LAB,W HAVEN,CT 06516
[9] UNIV CALIF LOS ANGELES,SCH MED,DEPT PATHOL,LOS ANGELES,CA 90024
[10] UNIV TEXAS,HLTH SCI CTR,DEPT OTOLARYNGOL,SAN ANTONIO,TX 78284