1. School of Medicine; University of Colorado; Denver CO USA
2. The Ottawa Hospital; University of Ottawa; Ottawa ON Canada
3. Université Paris XII; Hôpital Henri Mondor; Créteil France
4. Bon Secours Health System; Liver Institute of Virginia; Richmond and Newport News VA USA
5. University of British Columbia; Vancouver BC Canada
6. Asesor del departamento de Inmunoanálisis; Médico especialista en Medicina Interna; Mexico Mexico
7. Dipartimento di Scienze Mediche e Chirurgiche; Alma Mater Studiorum; University of Bologna; Bologna Italy
8. Liver Unit; Azienda Ospedaliera Fatebenefratelli e Oftalmico; Milan Italy
9. Medical University of Vienna; Vienna Austria
10. J.W. Goethe University Hospital; Frankfurt Germany
11. Hoffmann-La Roche Inc; Nutley NJ USA
12. F Hoffman-La Roche Ltd; Basel Switzerland
13. Roche Asia Pacific; Shanghai China
14. Genentech; South San Francisco CA USA
15. Roche Products Ltd; Welwyn UK