[1] KAISER FDN HOSP LABS,DEPT PATHOL,PORTLAND,OR 97217
[2] ST VINCENT HOSP,DEPT PATHOL,PORTLAND,OR
[3] CLEVELAND CLIN FDN,CLEVELAND,OH 44106
[4] ST FRANCIS HOSP,WICHITA,KS 67201
[5] UNIV CALIF DAVIS,SACRAMENTO MED CTR,CLIN MICROBIOL LAB,SACRAMENTO,CA 95817
[6] US DEPT HEW,PHS,CTR DIS CONTROL,ANTIMICROB INVEST SECT,ATLANTA,GA 30333