<qa>  What is the definition of WOCBP?- Men and women of childbearing potential WOCBP must be using 2 reliable methods of contraception to avoid pregnancy throughout the study for a period of at least 30 days before and 90 days after the last dose of investigational product in such a manner that the risk of pregnancy is minimized. See Section 4.3.3 for the definition of WOCBP and also refer to the Revlimid Risk Management Plan guidelines. 