Development of the acute Pancreatitis Activity Scoring System (PASS). The figure presents the steps in development of the PASS. *, Joint meeting of the American Pancreatic Association/Japanese Pancreas Society, November 2014 Honolulu, HI. **, Digestive Disease Week, May 2015 Washington, DC. ***, Annual meeting of the American Pancreatic Association, November 2015, San Diego, CA.