Safety and efficacy of SNK01 (autologous natural killer cells) in combination with cytotoxic chemotherapy and/or cetuximab after failure of prior tyrosine kinase inhibitor in non-small cell lung cancer: non-clinical mouse model and phase I/IIa clinical study ================================================================================================================================================================================================================================================================== * Myeong Geun Choi * Gun Woo Son * Mi Young Choi * Jae Seob Jung * Jin Kyung Rho * Wonjun Ji * Byeong Gon Yoon * Jong-Min Jo * Yong Man Kim * Dae-Hyun Ko * Jae Cheol Lee * Chang-Min Choi