[1] UNIV PITTSBURGH,SCH MED,DEPT PEDIAT,PITTSBURGH,PA 15261
[2] UNIV LOUISVILLE,KENTUCKY PEDIAT RES,DEPT PEDIAT,BARDSTOWN,KY
[3] SMITHKLINE BEECHAM PHARMACEUT CORP,CLIN RES & DEV,COLLEGEVILLE,PA
[4] CASE WESTERN RESERVE UNIV,SCH MED,DEPT PATHOL,CLEVELAND,OH 44106
[5] HOSP GIRGORE ALEXANDRESCU,BUCHAREST,ROMANIA