[1] Univ Sydney, Sydney Sch Publ Hlth, Sydney, NSW, Australia
[2] Univ Sydney, Melanoma Inst Australia, Sydney, NSW, Australia
[3] Univ Sydney, Sch Psychol, Psychooncol Cooperat Res Grp, Sydney, NSW, Australia
[4] Univ Sydney, Sydney, NSW, Australia
[5] Univ Sydney, NHMRC Clin Trials Ctr, Sydney, NSW, Australia
[6] Univ Sydney, Sydney Med Sch, Discipline Dermatol, Sydney, NSW, Australia
[7] Univ Sydney, Ctr Med Psychol Evidence Based Decis Making, Sydney, NSW, Australia
[8] Westmead Inst Med Res, Ctr Canc Res, Sydney, NSW, Australia
[9] Univ New South Wales, Sch Womens & Childrens Hlth, Discipline Paediat, UNSW Med, Sydney, NSW, Australia