National active surveillance to understand and inform neonatal care in COVID-19 - Gale, C; Knight, M; Ladhani, S; Draper, ES; Sharkey, D; Doherty, C; Mactier, H; Kurinczuk, JJ; of Neonatal Complications of COVID-19 Surveillance Group, Members (Archives of Disease in Childhood. Fetal and Neonatal Edition, 2020)