Meal Announcement Screenshots (IMAGE) Massachusetts General Hospital Caption Bionic pancreas study participants used a smartphone app to indicate the meal they are about to consume and whether or not it contains a typical amount of carbohydrates. Credit Boston University Department of Biomedical Engineering 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.