1Sloan School of Management, Massachusetts Institute of Technology, Cambridge, MA, USA
2Healthcare Systems Engineering, Massachusetts General Hospital, Boston, MA, USA
3 Section of Digestive Diseases, Department of Medicine, Yale School of Medicine, New Haven, CT, USA
4 Perioperative Services, Massachusetts General Hospital, Boston, MA, USA
5 Harvard Medical School, Harvard, Boston, MA, USA
6 Division of General Internal Medicine, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
7 Gastrointestinal Division, Massachusetts General Hospital, Boston, MA, USA
8 Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
Address for correspondence: James M. Richter [email protected] Division of Gastroenterology, Massachusetts General Hospital, Harvard Medical School Blake Building, 4th Floor 55 Fruit St, Boston MA 02114 Phone: 617-724-9194 Fax: 617-724-6832
*Co-first authors
