1. College of Osteopathic Medicine of the Pacific Western University of Health Sciences, Pomona, California, USA
2. Division of Pediatric Critical Care Medicine, Department of Pediatrics, Cedars-Sinai Medical Center, Los Angeles, California, USA
3. Department of Pathology and Laboratory Medicine, Division of Clinical Microbiology, Cedars-Sinai Medical Center, Los Angeles, California, USA
4. Division of Infectious Diseases, Department of Pediatrics, Cedars-Sinai Medical Center, Los Angeles, California, USA