2. History or presence of other concomitant liver disease as assessed by the investigator or determined by laboratory findings including, but not limited to: active hepatitis B virus (HBV) infection (hepatitis B surface antigen [HBsAg] positive and/or hepatitis B virus deoxyribonucleic acid (HBVDNA) positive; subjects who are hepatitis B core antibody [HBcAb] positive may be eligible as long as HBsAg is negative and HBVDNA is non detectable), active hepatitis C virus (HCV) infection (prior exposure to HCV [defined as HCVAb positive] without a current or prior history of a detectable HCVRNA) may be eligible, alcoholic liver disease, proven autoimmune hepatitis, primary biliary cirrhosis (PBC), primary sclerosing cholangitis (PSC), hemochromatosis, Wilson's disease, alpha-1 antitrypsin deficiency, bile duct obstruction, liver primary or metastatic cancer.