1. Department of Pediatrics, Division of Infectious Diseases and Host Defense Program, Nationwide Children’s Hospital and The Ohio State University , Columbus, Ohio , USA
2. Dr Jack S. Remington Laboratory for Specialty Diagnostics, National Reference Center for the Study and Diagnosis of Toxoplasmosis, Palo Alto Medical Foundation , Palo Alto, California , USA
3. Department of Medical Affairs, Karius Inc , Redwood City, California , USA
4. Department of Pediatrics, Division of Infectious Diseases, Stanford University School of Medicine , Stanford, California , USA