van den Akker Thomas, Bloemenkamp Kitty W M, van Roosmalen Jos, Knight Marian
National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford OX3 7LF, UK; Department of Obstetrics, Leiden University Medical Centre, Leiden, Netherlands.
Department of Obstetrics, Wilhelmina Children's Hospital Birth Centre, University Medical Centre Utrecht, Utrecht, Netherlands.
Lancet. 2017 Sep 2;390(10098):922-923. doi: 10.1016/S0140-6736(17)31633-1.