Conflict of interest disclosure
Claire Hardie: none known. Ryckie G Wade: none known. Justin CR Wormald: none known. Brian Stafford: none known. Faye Elliott: none known. Julia Newton-Bishop: my institution has received a grant from Cancer Research UK to carry out research looking at melanoma survival. Daily fees were paid to me when I was Clinical Lead at the National Institute for Health and Care Excellence (NICE) for the Clinical Melanoma Guideline. I have been reimbursed for travel expenses when asked to give talks at academic meetings. None of these were paid from identifiable commercial entities; conference organisers commonly pool funding sources including commercial companies. I have done legal work for clinical negligence claims in the past and the last case is now coming to an end. These fees were primarily used to support the research group but I did receive one fee from one client personally. My research group is in receipt of a number of research grants from Cancer Research UK, the Medical Research Council, Melanoma Focus, Melanoma Research Alliance and the National Institutes of Health that are for research unrelated to this Cochrane work. A single honorarium was accepted for a talk in 2019; paid to my institution. I receive very small royalties for a textbook published many years ago. I am invited to around three meetings per year where my travel costs are paid by the conference organisers. I have not travelled to meetings where the costs are paid directly by a drug company. I have listed grants and travel expenses paid to enable me to complete my research but I do not believe that they reflect a conflict of interest with respect to this Cochrane work. Donald Dewar: none known.