1. Fellow in Neonatology, Pritzker School of Medicine, University of Chicago, Chicago, IL.
2. NorthShore University Health System, Department of Pediatrics, Evanston, IL, and Professor Emeritus of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, IL.
3. Chairman, Department of Pediatrics, NorthShore University HealthSystem, and Clinical Professor of Pediatrics, Pritzker School of Medicine, University of Chicago, Chicago, IL.