. . . . "12.5%" . "1.6%" . "2.4%" . "6.4%" . "3.1%" . "0.125" . "0.024" . "0.064" . "0.016" . "0.031" . "0.125" . "0.024" . "0.064" . "0.016" . "0.031" . "placebo" .