title: Rebuttal from Ms Woodford and Dr Senthi.
authors.affiliation: William Buckland Radiotherapy Centre, The Alfred, Melbourne, Victoria, Australia.
authors.forename: Katrina
authors.initials: K
authors.lastname: Woodford
authors.affiliation: William Buckland Radiotherapy Centre, The Alfred, Melbourne, Victoria, Australia.
authors.forename: Sashendra
authors.initials: S
authors.lastname: Senthi