[1] KAROLINSKA HOSP,DEPT MED CELL GENET,S-10401 STOCKHOLM 60,SWEDEN
[2] KAROLINSKA HOSP,DEPT MED,S-10401 STOCKHOLM 60,SWEDEN
[3] HUDDINGE UNIV HOSP,DEPT PHARMACOL,STOCKHOLM,SWEDEN
[4] HUDDINGE UNIV HOSP,DEPT CLIN PHARMMACOL,STOCKHOLM,SWEDEN
[5] KAROLINSKA INST,DEPT ANAT,S-10401 STOCKHOLM 60,SWEDEN