[1] NATL JEWISH CTR IMMUNOL & RESP MED,DEPT MED,DENVER,CO
[2] WASHINGTON UNIV,SCH MED,DEPT PATHOL,ST LOUIS,MO 63110
[3] WASHINGTON UNIV,SCH MED,DEPT INTERNAL MED,ST LOUIS,MO 63110
[4] WASHINGTON UNIV,JEWISH HOSP ST LOUIS,MED CTR,DEPT PATHOL,ST LOUIS,MO 63110
[5] UNIV HELSINKI,DEPT PATHOL,SF-00100 HELSINKI 10,FINLAND