12. Serum levels of Aspartate Aminotransferase (Serum Glutamic Oxaloacetic Transaminase) (AST (SGOT)), Alanine Aminotransferase (Serum Glutamate Pyruvate Transaminase) (ALT (SGPT)), alkaline phosphatases or bilirubin > 2 Upper Limit of Normal (ULN) (on screening lab test).