Principles and practice of hospital medicine / editors, Sylvia C. McKean, MD, SFHM, FACP, Deputy Editor for Editorial Projects, UpToDate, formerly, leave of absence, Associate Professor of Medicine, Harvard Medical School, Hospitalist, Brigham and Women's Hospital, Boston, Massachusetts, John J. Ross, MD, CM, FIDSA, Assistant Professor of Medicine, Harvard Medical School, Hospitalist Service, Brigham and Women's Hospital, Boston, Massachusetts, Daniel D. Dressler, MD, MSC, SFHM, FACP, Professor of Medicine, Director, Internal Medicine Teaching Services, Emory University Hospital, Associate Program Director, J.Willis Hurst Internal Residency Program, Co-Director, Semmelweis Society, Emory University School of Medicine, Atlanta, Georgia, Danielle B. Scheurer, MD, MSCR, SFHM, Chief Quality Officer and Hospitalist, Associate Professor of Medicine, Medical University of South Carolina, Charleston, South Carolina.