1 Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of New Mexico School of Medicine, Albuquerque, NM, USA.
2 Department of Health Systems Science, Bernard J. Tyson Kaiser Permanente School of Medicine, Pasadena, CA, USA.
3 Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of New Mexico School of Medicine, Albuquerque, NM, USA. jrmaxwell@salud.unm.edu.
4 Department of Neurosciences, University of New Mexico Health Science Center, Albuquerque, NM, USA. jrmaxwell@salud.unm.edu.