1. Department of Pediatrics, Miller Children's Hospital, Long Beach, CA 90806, USA
2. Department of Pediatrics, Naval Medical Center San Diego, San Diego, CA 92134, USA
3. Department of Pediatrics, University of California Davis, Sacramento, CA 95817, USA
4. Centre for Online Health, The University of Queensland, Herston, QLD 4029, Australia
5. Center for Health and Technology, University of California Davis, Sacramento, CA 95817, USA
6. Pediatric Critical Care Medicine, UC Davis Children's Hospital, 2516 Stockton Boulevard, Sacramento, CA 95817, USA