Who won the mens 4x100m freestyle relay swimming gold medal in the 2008 Olympics?

The US team comprised of Michael Phelps, Garrett Weber-Gale, Cullen Jones, Jason Lezak, Nathan Adrian, Ben Wildman-Tobriner, and Matt Grevers won the gold medal for the men's 4 x 100 meter freestyle swimming relay in the 2008 Summer Olympics.