1. Department of Pediatrics, Children’s Hospital Los Angeles, Los Angeles, CA, USA
2. Department of Emergency Medicine, Rady Children’s Hospital, San Diego, CA, USA
3. Division of Infectious Disease, Children’s Hospital Los Angeles, Los Angeles, CA, USA
4. Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
5. Division of Rheumatology, Children’s Hospital Los Angeles, Los Angeles, CA, USA