[1] UNIV BRITISH COLUMBIA,FAC MED,VANCOUVER V6T 1W5,BC,CANADA
[2] MICROBIOL LAB CLIN,MONTREAL,QUEBEC,CANADA
[3] UNIV TORONTO,TORONTO M5S 1A1,ONTARIO,CANADA
[4] TORONTO GEN HOSP,TORONTO M5G 1L7,ONTARIO,CANADA
[5] VICTORIA GEN HOSP,HALIFAX B3H 2Y9,NS,CANADA
[6] VICTORIA GEN HOSP,HALIFAX B3H 2Y9,NS,CANADA
[7] HLTH SCI CTR,WINNIPEG R3E 0W1,MANITOBA,CANADA
[8] UNIV ALBERTA,EDMONTON T6G 2E1,ALBERTA,CANADA
[9] HOTEL DIEU HOSP,MONTREAL,QUEBEC,CANADA
[10] ASTRA PHARMACEUT CANADA,MISSISAUGA,ONTARIO,CANADA
[11] ASTRA LAKEMEDEL AB,S-15185 SODERTALJE,SWEDEN