Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine and Lucile Salter Packard Children's Hospital Stanford, Palo Alto, CA, USA.
California Perinatal Transport System, Stanford University School of Medicine and Lucile Salter Packard Children's Hospital Stanford, Palo Alto, CA, USA.
California Perinatal Quality Care Collaborative, Stanford University School of Medicine and Lucile Salter Packard Children's Hospital Stanford, Palo Alto, CA, USA.