1. Division of General Internal Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL
2. Gastroenterology and Hepatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
3. Department of Emergency Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL
4. Division of Pharmaceutical Outcomes and Policy, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC
5. Department of Medicine, Emory University School of Medicine, Atlanta, GA