Jason Buick, University of Toronto (IMAGE) St. Michael's Hospital Caption "Four out of five drownings happen without a witness," said Jason Buick, lead author and a University of Toronto graduate student doing a research project with Rescu at St. Michael's Hospital. Credit St. Michael's Hospital, Toronto Usage Restrictions Attribution must be given to: St. Michael's Hospital, Toronto 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.