GGTLC1 and liver disorder: The liver profile included the gamma glutamyl-transpeptidase (GGT), albumin (AL), alkaline phosphatase (ALP), aspartate aminotransferase (AST), alanine aminotransferase (ALT), total bilirubin (TB), and direct bilirubin (DB) serum levels, according to recommendations of the National Academy of Clinical Biochemistry and the American Association for the Study of Liver Diseases [23].