B.S. Sivakumar

1   Australian Research Collaboration on Hands (ARCH), Mudgeeraba, Australia

2   Discipline of Surgery, Sydney Medical School, the Faculty of Medicine and Health, the University of Sydney, Camperdown, NSW, Australia

3   Department of Orthopaedic Surgery, Northern Beaches Hospital, Frenchs Forest, NSW, Australia

4   Department of Orthopaedic Surgery, Hornsby Ku-ring-gai Hospital, Hornsby, NSW, Australia

5   Department of Orthopaedic Surgery, Nepean Hospital, Kingswood, NSW, Australia

,

K. Thatcher

6   Department of Hand and Peripheral Nerve Surgery, Royal North Shore Hospital, St Leonards, NSW, Australia

,

I. Hughes

7   School of Medicine, University of Queensland, Herston, QLD, Australia

8   Office for Research Governance and Development, Gold Coast Health, Southport, QLD, Australia

,

Anna Watson

3   Department of Orthopaedic Surgery, Northern Beaches Hospital, Frenchs Forest, NSW, Australia

,

B. Schick

9   Department of Hand Surgery, Sydney Hospital, Sydney Hospital Hand Unit, Sydney, NSW, Australia

,

D.J. Graham

1   Australian Research Collaboration on Hands (ARCH), Mudgeeraba, Australia

7   School of Medicine, University of Queensland, Herston, QLD, Australia

10   Department of Musculoskeletal Services, Gold Coast University Hospital, Southport, QLD, Australia

11   School of Medicine and Dentistry, Griffith University, Southport, QLD, Australia

12   Department of Orthopaedic Surgery, Queensland Children's Hospital, South Brisbane, QLD, Australia

This study was funded by the Australian Hand Surgery Society ($7000) and NSW Hand Surgery Society ($1670).