title: Response to Klebanoff.
authors: Women's and Children's Health Research Institute, North Adelaide, SA, Australia.|School of Population Health, The University of Adelaide, Adelaide, SA, Australia.
authors: Lisa N
authors: LN
authors: Yelland
authors: School of Population Health, The University of Adelaide, Adelaide, SA, Australia.
authors: Thomas R
authors: TR
authors: Sullivan
authors: Department of Statistical Science, University College London, London, UK.
authors: Menelaos
authors: M
authors: Pavlou
authors: MRC Biostatistics Unit, Cambridge, UK.
authors: Shaun R
authors: SR
authors: Seaman