EGFR and non-small cell lung carcinoma: The article Real-world treatment of over 1600 Japanese patients with EGFR mutation-positive non-small cell lung cancer with daily afatinib, written by Kazuo Tamura, Toshihiro Nukiwa, Akihiko Gemma, Nobuyuki Yamamoto, Masaya Mizushima, Kaori Ochai, Rie Ikeda, Hisaya Azuma, and Yoichi Nakanishi was originally published electronically on the publisher’s internet portal (currently SpringerLink) on 5 April 2019 without open access.