1. School of Psychology; Deakin University; Burwood Victoria 3125 Australia
2. School of Social and Community Medicine; University of Bristol; Bristol BS8 2PS UK
3. Department of Psychiatry, School of Clinical Sciences; Monash University; Clayton Victoria 3800 Australia
4. Cabrini-Monash Psycho-oncology; Cabrini Health; Malvern Victoria 3144 Australia
5. School of Psychological Sciences; Monash University; Clayton Victoria 3800 Australia