1. Division of Pediatric Hospital Medicine, Department of Pediatrics, Stanford University, Palo Alto, California
2. Division of General Pediatrics, Department of Pediatrics, Stanford University, Palo Alto, California
3. Quantitative Sciences Unit, Department of Medicine, Stanford University, Palo Alto, California
4. Division of Pediatric Critical Care, Department of Pediatrics, Stanford University, Palo Alto, California
5. Division of Neonatology, Department of Pediatrics, University of California, San Diego
6. Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University, Palo Alto, California