1. Department of Psychiatry and Behavioural Sciences, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, New York10021, USA
2. Department of Medicine, Centre for Palliative Care, University of Melbourne, St Vincent's Hospital, Victoria, Australia
3. School of Psychological Science, LaTrobe University, Bundoora, Victoria, Australia
4. Department of Psychological Medicine, Monash Medical Centre, Clayton, Victoria, Australia
5. Department of Psychiatry, University of Melbourne, St Vincent's Hospital, Victoria, Australia