1. Divisions of Hospital Medicine and Infectious Diseases, Cincinnati Children's Hospital Medical Center and Department of Pediatrics University of Cincinnati College of Medicine Cincinnati Ohio USA
2. Section of Hospital Medicine, Department of Medicine University of Chicago Chicago Illinois USA
3. Division of Paediatric Medicine Hospital for Sick Children Toronto Ontario Canada
4. Department of Paediatrics University of Toronto Toronto Ontario Canada
5. Division of Hospital Medicine Johns Hopkins University School of Medicine Baltimore Maryland USA
6. Division of Hospital Medicine, Department of Medicine University of Wisconsin School of Medicine and Public Health Madison Wisconsin USA
7. Department of Medicine University of California, San Francisco San Francisco California USA
8. Section of Hospital Medicine San Francisco Veterans Affairs Medical Center San Francisco California USA