Analytical validation of a standardized scoring protocol for Ki67: phase 3 of an international multicenter collaboration

S.C.Y.L.: study design, data collection, manuscript drafting and review. T.O.N.: study design, manuscript drafting and review. L.Z.: study design, collection and preparation of samples, data collection, manuscript drafting and review. I.A.: study design, data collection, manuscript drafting and review. S.S.B.: study design, manuscript drafting and review. A.L.B.: study design, data collection, manuscript drafting and review. J.M.S.B.: study design, manuscript drafting and review. S.B.: study design, data collection, manuscript drafting and review. M.C.C.: study design, data collection, manuscript drafting and review. A.D.: study design, data collection, manuscript drafting and review. R.A.E.: study design, data collection, manuscript drafting and review. S.F.: study design, data collection, manuscript drafting and review. C.M.F.: study design, data collection, manuscript drafting and review. D.G.: study design, data collection, manuscript drafting and review. A.M.G.: study design, data collection, manuscript drafting and review. D.G.: study design, data collection, manuscript drafting and review. C.G.: study design, data collection, manuscript drafting and review. J.C.H.: study design, data collection, manuscript drafting and review. Z.K.: study design, data collection, manuscript drafting and review. A-V.L.: study design, data collection, manuscript drafting and review. M-G.L: study design, data collection, manuscript drafting and review. M.G.M.: study design, data collection, manuscript drafting and review. T.M.: study design, data collection, manuscript drafting and review. S.N-M.: study design, data collection, manuscript drafting and review. C.K.O.: study design, manuscript drafting and review. F.M.P-L.: study design, data collection, manuscript drafting and review. T.P.: study design, data collection, manuscript drafting and review. T.S.: study design, data collection, manuscript drafting and review. R.S.: study design, data collection, manuscript drafting and review. J.S.: study design, data collection, manuscript drafting and review. G.V.: study design, manuscript drafting and review. D.F.H.: study design, manuscript drafting and review. L.M.McS.: study design, statistical analysis, manuscript drafting and review. M.D.: study design, manuscript drafting and review