1. Alagille Syndrome 2. Hepatitis B and C Viruses 3. Nonalcoholic liver disease in children and adolescents 4. Inborn Errors of Bile Acid Metabolism 5. Progressive Familial Intrahepatic Cholestasis 6. Autoimmune Hepatitis, Sclerosing cholangitis and Autoimmune sclerosing cholangitis/overlap syndrome 7. Cirrhosis and Portal Hypertension in the Pediatric Population 8. Alpha-1-Antitrypsin Deficiency Liver Disease 9. Pediatric Liver Tumors 10. Acute Liver Failure 11. Liver transplantation in Children