Surrogate endpoints for overall survival in metastatic melanoma: A meta-analysis of randomised controlled trials

Keith T. Flaherty, Michael Hennig, Sandra J. Lee, Paolo A. Ascierto, Reinhard Dummer, Alexander M.M. Eggermont, Axel Hauschild, Richard Kefford, John M. Kirkwood, Georgina V. Long, Paul Lorigan, Andreas Mackensen, Grant McArthur, Steven O'Day, Poulam M. Patel, Caroline Robert, Dirk Schadendorf