Paul A Komesaroff1, Ian H Kerridge2, David Isaacs3, Peter M Brooks4. 1. Monash University, Melbourne, VIC, Australia. Paul.Komesaroff@monash.edu. 2. Centre for Values, Ethics and the Law in Medicine, University of Sydney, Sydney, NSW, Australia. 3. The Children's Hospital at Westmead, Sydney, NSW, Australia. 4. Centre for Health Policy, University of Melbourne, Melbourne, VIC, Australia.