1. Laboratory of Metabolic Liver DiseasesDepartment of General, Transplant and Liver SurgeryMedical University of Warsaw Warsaw Poland
2. Department of Medicine IISaarland University Medical CenterSaarland University Homburg Germany
3. Liver and Internal Medicine UnitDepartment of General, Transplant and Liver SurgeryMedical University of Warsaw Warsaw Poland
4. Department of Clinical and Molecular BiochemistryPomeranian Medical University in Szczecin Szczecin Poland