normal infant bilirubin levelselevated calprotectin levelnormal calprotectin levelshigh bilirubin in infantshigh faecal calprotectin levelsinfant jaundice levelshigh bilirubin levels in newbornsneonatal bilirubin levelsnormal bilirubin in infantsnormal faecal calprotectin levelsnormal bilirubin level in newbornneonatal jaundice bilirubin level