[1] UNIV MANITOBA,HLTH SCI CTR,DEPT MED MICROBIOL & CLIN MICROBIOL,WINNIPEG,MB,CANADA
[2] LOUISIANA STATE UNIV,SCH MED,NEW ORLEANS,LA
[3] DOCTORS HOSP,TULSA,OK
[4] METHODIST HOSP,OMAHA,NE
[5] VET ADM MED CTR,BOSTON,MA
[6] JACKSON MEM HOSP,MIAMI,FL
[7] HARBORVIEW MED CTR,SEATTLE,WA
[8] METHODIST HOSP,HOUSTON,TX
[9] GEORGETOWN UNIV HOSP,WASHINGTON,DC
[10] UNIV KENTUCKY,COLL MED,LEXINGTON,KY
[11] VET ADM MED CTR,BUFFALO,NY
[12] BETH ISRAEL HOSP,BOSTON,MA
[13] NYU,MED CTR,NEW YORK,NY
[14] LONG ISL JEWISH MED CTR,NEW HYDE PK,NY
[15] GRADY MEM HOSP,ATLANTA,GA
[16] ASSOCIATED CLIN LABS,ERIE,PA
[17] ST PAUL RAMSEY HOSP,ST PAUL,MN
[18] WASHINGTON UNIV,SCH MED,ST LOUIS,MO
[19] DUKE UNIV,MED CTR,DURHAM,NC
[20] UNIV TEXAS,HLTH SCI CTR,SAN ANTONIO,TX
[21] SONORA LAB SCI,MESA,AZ
[22] LOVELACE HOSP,ALBUQUERQUE,NM
[23] UNIV CHICAGO,CHICAGO,IL
[24] ALLEGHENY GEN HOSP,PITTSBURGH,PA
[25] VET ADM MED CTR,PORTLAND,OR
[26] UNIV WISCONSIN HOSP,MADISON,WI
[27] MAYO CLIN & MAYO FDN,ROCHESTER,MN
[28] MED CTR DELAWARE,WILMINGTON,DE
[29] MICHIGAN STATE UNIV,E LANSING,MI
[30] VANDERBILT UNIV SCH MED,NASHVILLE,TN
[31] ST VINCENTS MED CTR,CLEVELAND,OH
[32] ROBERT WOOD JOHNSON MED CTR,NEW BRUNSWICK,NJ
[33] KAISER PERMANENTE MED CTR,SAN DIEGO,CA
[34] KAISER PERMANENTE MED CTR,LOS ANGELES,CA
[35] MED UNIV S CAROLINA,CHARLESTON,SC
[36] MED CTR VERMONT,BURLINGTON,VT
[37] ST BONIFACE GEN HOSP,WINNIPEG,MB,CANADA
[38] ST PAULS HOSP,SASKATOON,SK,CANADA
[39] HOSP ST LUC,MONTREAL,PQ,CANADA
[40] TORONTO HOSP,TORONTO,ON,CANADA
[41] ST PAULS HOSP,VANCOUVER,BC,CANADA
[42] VICTORIA GEN HOSP,HALIFAX,NS,CANADA
[43] ST JOSEPHS HLTH CTR,LONDON,ON,CANADA
[44] HE ROBERTSON LAB,REGINA,SK,CANADA
[45] OTTAWA CIVIC HOSP,OTTAWA,ON,CANADA
[46] UNIV ALBERTA HOSP,EDMONTON,AB,CANADA
[47] MONCTON HOSP,MONCTON,NB,CANADA
[48] HOSP MAISONNEUVE ROSEMONT,MONTREAL,PQ,CANADA
[49] MT SINAI HOSP,TORONTO,ON,CANADA
[50] PEEL MEM HOSP,TORONTO,ON,CANADA