1 Obstetric and Neonatal Operations, Intermountain Health, Murray, UT, USA. tim.bahr@imail.org.
2 Division of Neonatology, Department of Pediatrics, University of Utah, Salt Lake City, UT, USA. tim.bahr@imail.org.
3 Student, University of Utah, Salt Lake City, UT, USA.
4 Student, University of Georgia, Athens, GA, USA.
5 Division of Maternal-Fetal Medicine, Intermountain Health, Murray, Utah and Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Utah, Salt Lake City, UT, USA.
6 Obstetric and Neonatal Operations, Intermountain Health, Murray, UT, USA.
7 Division of Neonatology, Department of Pediatrics, University of Utah, Salt Lake City, UT, USA.