1. Northern Clinical School; Sydney Medical School; University of Sydney; Sydney New South Wales Australia
2. Centre for Values; Ethics and the Law in Medicine; School of Public Health; University of Sydney; Sydney New South Wales Australia
3. Department of Rheumatology; Royal North Shore Hospital; Sydney New South Wales Australia
4. Pain Management Research Institute; University of Sydney and Royal North Shore Hospital; Sydney New South Wales Australia
5. School of Rehabilitation Sciences; Griffith University; Brisbane Queensland Australia
6. Haematology Department; Royal North Shore Hospital; Sydney New South Wales Australia