. . . . "1%" . "2%" . "3%" . "4%" . "7%" . "8%" . "6%" . "0.06" . "0.08" . "0.01" . "0.04" . "0.03" . "0.02" . "0.07" . "0.06" . "0.08" . "0.01" . "0.04" . "0.03" . "0.02" . "0.07" . "placebo" .