<qa>  What is the maximum limit of normal?23. Has any screening abnormal laboratory value that suggests a clinically significant underlying disease or condition that may prevent the participant from entering the study; or the participant has: creatinine 1.5 mgdL, alanine aminotransferase ALT andor aspartate aminotransferase AST 2 times the upper limit of normal ULN, or total bilirubin 2.0 mgdL with ASTALT elevated above the limits of normal values. 