Win Statistics: Impact of Follow-up Time and Unbiased Estimators of Treatment Effect in the Presence of Censoring Gaohong Dong, BeiGene; Victoria Chang, BeiGene; Bo Huang, Pfizer Inc.; James Song, BeiGene; Duolao Wang, Liverpool School of Tropical Medicine, UK; Lu Mao, University of Wisconsin; Jiuzhou Wang, ImmunoGen Inc.; Johan Verbeeck, University Hasselt, Belgium ; Margaret Gamalo-Siebers, Pfizer Inc.; David C. Hoaglin, University of Massachusetts Medical School