[1] PORTLAND VA MED CTR,PORTLAND,OR
[2] OREGON HLTH SCI UNIV,PORTLAND,OR 97201
[3] UNIV WASHINGTON,SEATTLE,WA 98195
[4] US FDA,ROCKVILLE,MD 20857
[5] UNIV ROCHESTER,ROCHESTER,NY
[6] UNIV CALIF,ORANGE,CA
[7] MED COLL PENN & HAHNEMANN UNIV,LIKOFF INST,PHILADELPHIA,PA
[8] CLEVELAND CLIN FDN,CLEVELAND,OH 44195
[9] NATL INST HLTH,BETHESDA,MD