[1] UNIV COPENHAGEN,HVIDOVRE HOSP,DEPT MED,DIV HEPATOL,DK-2650 HVIDOVRE,DENMARK
[2] UNIV COPENHAGEN,STATE HOSP,MED DEPT A,DK-2100 COPENHAGEN,DENMARK
[3] UNIV COPENHAGEN,HERLEV HOSP,DEPT MED GASTROENTEROL,DK-2730 HERLEV,DENMARK
[4] STATENS SERUMINST,DEPT HORMONE,DK-2300 COPENHAGEN,DENMARK
[5] HILLEROD CTY HOSP,MED DEPT B,DK-3400 HILLEROD,DENMARK