Preheat oven to 350 degrees.  Spray a 9-inch square baking sheet with cooking spray.  Combine the oatmeal, cherries, brown sugar, whole wheat flour, sunflower seeds and wheat germ in a bowl.  In a medium mixing bowl, lightly beat the egg whites and add the yogurt, butter and vanilla extract.  Pour the dry ingredients into the egg mixture, stir well until all is combined.  Pour mixture into prepared pan, smooth the top of the mixture.  Bake for 25 minutes, cool completely, cut into bars.