Claire E Johnson1,2,3, Peta McVey4, Joel Jin-On Rhee5, Hugh Senior6,7, Leanne Monterosso8,9,10, Briony Williams11,12, Julia Fallon-Ferguson11,12, Matthew Grant13, Harriet Nwachukwu6, Michèle Aubin14, Patsy Yates15, Geoffrey Mitchell6. 1. Medical School, The University of Western Australia, Perth, Western Australia, Australia. 2. School of Nursing & Midwifery, Monash University, Melbourne, Victoria, Australia. 3. Eastern Health, Melbourne, Victoria, Australia. 4. Sydney Nursing School, University of Sydney, Sydney, New South Wales, Australia. 5. General Practice Academic Unit, School of Medicine, University of Wollongong, Wollongong, New South Wales, Australia. 6. Primary Care Clinical Unit, Faculty of Medicine, University of Queensland, Brisbane, Queensland, Australia. 7. College of Health, Massey University, Auckland, New Zealand. 8. School of Nursing & Midwifery, Notre Dame University, Fremantle, Western Australia, Australia. 9. Centre for Nursing and Midwifery Research, St John of God Murdoch Hospital, Murdoch, Western Australia, Australia. 10. School of Nursing & Midwifery, Edith Cowan University, Joondalup, Western Australia, Australia. 11. School of General Practice and Rural Medicine, University of Western Australia, Perth, Western Australia, Australia. 12. Primary Care Collaborative Cancer Clinical Trials Group, University of Melbourne, Melbourne, Victoria, Australia. 13. Victoria Comprehensive Cancer Centre Palliative Care Research Group, University of Melbourne, Melbourne, Victoria, Australia. 14. Département de médecine familiale et de médecined\'urgence, Universite Laval, Faculte de medecine, Québec City, Canada. 15. School of Nursing, Queensland University of Technology, Brisbane, Queensland, Australia.