Crizotinib for recurring non‐small‐cell lung cancer with EML4‐ALK fusion genes previously treated with alectinib: A phase II trial oleh Daijiro Harada, Hideko Isozaki, Toshiyuki Kozuki, Toshihide Yokoyama, Hiroshige Yoshioka, Akihiro Bessho, Shinobu Hosokawa, Ichiro Takata, Nagio Takigawa, Katsuyuki Hotta, Katsuyuki Kiura, Okayama Lung Cancer Study Group