<qa>  What is the name of the EGFR inhibitors?- Previous treatment with an investigational or marketed agent that inhibits EGFR. EGFR inhibitors include but not limited to all generations of EGFR TKI e.g.erlotinib, gefitinib, afatinib, AZD9291, CO-1686, ASP8273, EGF816 or other anti-EGFR or EGFR monoclonal antibody therapy or dual TKI inhibitors. 