[1] ROYAL FREE HOSP,DEPT HISTOPATHOL,LIVER PATHOL UNIT,LONDON NW3 2QG,ENGLAND
[2] UNIV LISBON,DEPT PATHOL,LISBON,PORTUGAL
[3] UNIV BASEL,DEPT PATHOL,BASEL,SWITZERLAND
[4] SPEDALI CIVIL BRESCIA,SERV ANAT & ISTOL PATOL,BRESCIA,ITALY
[5] UNIV LOUVAIN,DEPT MED,LOUVAIN,BELGIUM
[6] UNIV LOUVAIN,DEPT PATHOL,LOUVAIN,BELGIUM
[7] ARMED FORCES INST PATHOL,DEPT DEF,WASHINGTON,DC
[8] DEPT PATHOL,WEIDEN OBERPFALZ,GERMANY
[9] UNIV GLASGOW,WESTERN INFIRM,DEPT PATHOL,GLASGOW G11 6NT,SCOTLAND
[10] UNIV TORONTO,HOSP SICK CHILDREN,DEPT PATHOL,TORONTO M5G 1X8,ON,CANADA
[11] UNIV LONDON KINGS COLL HOSP,INST LIVER STUDIES,LONDON,ENGLAND
[12] UNIV COPENHAGEN,HERLEV HOSP,DEPT PATHOL,COPENHAGEN,DENMARK
[13] UNIV ZURICH,DEPT PATHOL,CH-8006 ZURICH,SWITZERLAND