1. International Centre for Genetic Engineering and Biotechnology, 34149 Trieste, Italy.
2. Institute of Medical Biochemistry and Laboratory Medicine, First Faculty of Medicine, Charles University, 120 00 Prague, Czech Republic.
3. Centro Studi Fegato, Fondazione Italiana Fegato, AREA Science Park, Campus Basovizza, 34149 Trieste, Italy.
4. Department of Medical Science, University of Trieste, 34128 Trieste, Italy.
5. Fourth Department of Internal Medicine, First Faculty of Medicine, Charles University, 120 00 Prague, Czech Republic.