Samantha Hajna, PhD, McGill University (IMAGE) McGill University Health Centre Caption Samantha Hajna (study first author) who work under the supervision of Dr. Kaberi Dasgupta, RI-MUHC researcher, and Dr. Nancy Ross from McGill's Department of Geography. Credit McGill University Health Centre 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.