The Wall Street Journal did find that the 2011 NBA World Champions high-fived more than any other team. And we are based in Dallas and do love our Mavs. In all seriousness, more companies are realizing how strong teams thrive on the concept of the #win, the #highfive, and #kudos to create shared success and reinforce values.
You can peruse the resource center for more on the scientific studies. The article below is a great starting point for teams.