[1] W VIRGINIA UNIV,DEPT MED,MORGANTOWN,WV 26506
[2] NORTHWESTERN UNIV,SCH MED,DEPT COMMUNITY HLTH & PREVENT MED,CHICAGO,IL 60611
[3] UNIV MICHIGAN,DEPT PHYSIOL,ANN ARBOR,MI 48109
[4] CLEVELAND CLIN FDN,DEPT BRAIN & VASC RES,CLEVELAND,OH 44195
[5] UNIV MINNESOTA HOSP & CLIN,DEPT INTERNAL MED,MINNEAPOLIS,MN 55455
[6] UNIV MINNESOTA,SCH MED,MINNEAPOLIS,MN 55455
[7] INDIANA UNIV,SCH MED,DEPT MED,INDIANAPOLIS,IN 46202
[8] UNIV MISSISSIPPI,MED CTR,JACKSON,MS 39216
[9] CORNELL UNIV,MED CTR,COLL MED,CTR HYPERTENS,NEW YORK,NY 10021