Author Correction: PTEN is a predictive biomarker of trastuzumab resistance and prognostic factor in HER2-overexpressing gastroesophageal adenocarcinoma

oleh: Daiju Yokoyama, Shigeo Hisamori, Yasunori Deguchi, Tatsuto Nishigori, Hiroshi Okabe, Seiichiro Kanaya, Dai Manaka, Yoshio Kadokawa, Hiroaki Hata, Sachiko Minamiguchi, Shigeru Tsunoda, Kazutaka Obama, Yoshiharu Sakai