title: Sherlock et al. Reply.
authors.affiliation: Blackett Laboratory, Imperial College London, London SW7 2BW, United Kingdom.
authors.forename: M
authors.initials: M
authors.lastname: Sherlock
authors.affiliation: Department of Physics, University of Alberta, Edmonton, Alberta T6G 2G7, Canada.
authors.forename: W
authors.initials: W
authors.lastname: Rozmus
authors.affiliation: Blackett Laboratory, Imperial College London, London SW7 2BW, United Kingdom.
authors.forename: E G
authors.initials: EG
authors.lastname: Hill
authors.affiliation: Blackett Laboratory, Imperial College London, London SW7 2BW, United Kingdom.
authors.forename: S J
authors.initials: SJ
authors.lastname: Rose