[1] UNIV MANITOBA,DEPT MED MICROBIOL,ROOM 545,BASIC MED SCI BLDG,730 WILLIAM AVE,WINNIPEG R3E 0W3,MANITOBA,CANADA
[2] NAIROBI CITY COUNCIL,SPECIAL TREATMENT CLIN,NAIROBI,KENYA
[3] MEM UNIV NEWFOUNDLAND,DEPT MED,ST JOHNS A1C 5S7,NEWFOUNDLAND,CANADA
[4] UNIV NAIROBI,DEPT MED MICROBIOL,NAIROBI,KENYA