Eli Puterman, UBC (IMAGE) University of British Columbia Caption Eli Puterman, assistant professor at the UBC School of Kinesiology, was lead author of the paper. Credit UBC Media Relations Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.