Liver transplant, Living donor liver transplant, Post-transplant long-term care, Pre-transplant evaluation, Nonalcoholi...c fatty liver disease, Cirrhosis, Liver problems, Primary sclerosing cholangitis, Cholangiocarcinoma, Portal hypertension, Liver cancer, Alcoholic hepatitis, Hepatocellular carcinoma, Hepatopulmonary syndrome, Primary biliary cholangitis, Acute liver failure