Adams M, Bassler D, Bucher HU, Roth-Kleiner M, Berger TM, Braun J, Puhan MA, Edwards E, Soll R, Von Wyl V; Swiss Neonatal Network and the Vermont Oxford Network. Variability of very low birth weight infant outcome and practice in Swiss and US neonatal units. Pediatrics. 2018 April 13; Epub ahead of print. PubMed: 29654158