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Methods for conducting international Delphi surveys to optimise global participation in core outcome set development: a case study in gastric cancer informed by a comprehensive literature review.
Alkhaffaf B, Blazeby JM, Metryka A, Glenny AM, Adeyeye A, Costa PM, Del Val ID, Gisbertz SS, Guner A, Law S, Lee HJ, Li Z, Nakada K, Nuñez RMR, Reim D, Reynolds JV, Vorwald P, Zanotti D, Allum W, Chaudry MA, Griffiths E, Williamson PR, Bruce IA; GASTROS International Working Group. Alkhaffaf B, et al. Trials. 2021 Jun 21;22(1):410. doi: 10.1186/s13063-021-05338-x. Trials. 2021. PMID: 34154641 Free PMC article. Review.