The Role of End-of-Life Issues in the Design and Reporting of Cancer Clinical Trials: A Structured Literature Review. - Gaertner, Jan; Weingärtner, Vera; Lange, Stefan; Hausner, Elke; Gerhardus, Ansgar; Simon, Steffen T.; Voltz, Raymond; Becker, Gerhild; Schmacke, Norbert (PLoS ONE, 2015)