1. Department of Pediatrics, Division of Advanced General Pediatrics & Primary Care, Ann & Robert H. Lurie Children’s Hospital of Chicago , Chicago, Illinois , USA
2. Northwestern University Feinberg School of Medicine , Chicago, Illinois , USA
3. Department of Pediatrics, Division of Emergency Medicine, Ann & Robert H. Lurie Children’s Hospital of Chicago , Chicago, Illinois , USA
4. Special Infectious Diseases Laboratory, Department of Pathology, Ann & Robert H. Lurie Children’s Hospital of Chicago , Chicago, Illinois , USA
5. Department of Pediatrics, Division of Infectious Diseases, Ann & Robert H. Lurie Children’s Hospital of Chicago , Chicago, Illinois , USA