Variations in patterns of care across neonatal units and their associations with outcomes in very preterm infants: the French EPIPAGE-2 cohort study oleh Monique Kaminski, Bernard Guillois, Gilles Cambonie, Laetitia Marchand-Martin, A Burguet, Andrei S Morgan, Veronique Pierrat, Antoine Burguet, Anaëlle Coquelin, JC Roze, Melanie Durox, C Arnaud, L Caeymaex, G Cambonie, V Datin-Dorrière, C Gire, B Guillois, P Kuhn, A Mitha, V Pierrat, JM Roué, J Sizun