Group @ ( n = @ ) received @ g/d eicosapentaenoic acid ( EPA ) and docosahexaenoic acid ( DHA ) as ready-to-eat meals enriched with liquid fish oil ; group @ ( n = @ ) received the same amount of these LC n-@ PUFAs as microencapsulated fish oil powder and regular meals ; and group @ ( n = @ ) was the control group , which received placebo powder and regular meals .