title: Reply.
authors.affiliation: *Alliance for Research in Exercise, Nutrition and Activity (ARENA), Sansom Institute for Health Research, University of South Australia, Adelaide, Australia †Kensington Park Medical Practice, Kensington Park, Australia ‡Faculty of Medicine, University of Adelaide, Adelaide, Australia.
authors.forename: Georgina E
authors.initials: GE
authors.lastname: Crichton
authors.forename: Brian
authors.initials: B
authors.lastname: Symon