1. Division of Hospital Medicine Buffalo Medical Group Buffalo New York USA
2. Department of Medicine University of Rochester Medical Center Rochester New York USA
3. Department of Medicine Emory School of Medicine Atlanta Georgia USA
4. Department of Pediatrics University of Illinois College of Medicine Peoria Peoria Illinois USA
5. Department of Pediatrics, Divisions of Hospital Medicine and Infectious Diseases Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine Cincinnati Ohio USA
6. Department of Medicine University of California, San Francisco San Francisco Virginia USA
7. Section of Hospital Medicine San Francisco Veterans Affairs Medical Center San Francisco California USA