1. Department of Pediatrics, Division of Neonatology, Connecticut Children’s Medical Center, Hartford, Conn.
2. Department of Pediatrics, Division of Neonatology, The Children’s Hospital at Montefiore and Albert Einstein College of Medicine, Bronx, N.Y.
3. Department of Pediatrics, Division of Neonatology, New York University Langone Medical Center, New York, N.Y.