Report of the WHO technical consulatation on the effects of maternal influenza and influenza vaccination on the developing fetus: Montreal, Canada, September 30 - October 1, 2015 - Fell, D; Bhutta, Z; Hutcheon, J; Karron, R; Knight, M; Kramer, M; Monto, A; Swamy, G; Ortiz, J; Savitz, D (Vaccine, 2017)