1. Brisbane Hand and Upper Limb Research Institute, Brisbane, Queensland, Australia
2. Orthopaedic Department, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia
3. Faculty of Medicine, University of Queensland, Herston, Queensland, Australia
4. Macquarie Hand Unit, Suite 403 Macquarie University Clinic, 2 Technology Place, Macquarie University Hospital, Sydney, New South Wales, Australia