Real-world experience of first-line afatinib in patients with EGFR-mutant advanced NSCLC: a multicenter observational study oleh Gwo-Fuang Ho, Chee-Shee Chai, Adlinda Alip, Mohd Ibrahim A. Wahid, Matin Mellor Abdullah, Yoke-Ching Foo, Soon-Hin How, Adel Zaatar, Kai-Seng Lam, Kin-Wah Leong, John-Seng-Hooi Low, Mastura Md Yusof, Erica Chai-Yong Lee, Yok-Yong Toh, Chong-Kin Liam