Correction to: Intracellular hypoxia measured by F-18 fluoromisonidazole positron emission tomography has prognostic impact in patients with estrogen-receptor positive breast (BRCR-D17-00693) - Aya Asano; Shigeto Ueda; Ichiei Kuji; Tomohiko Yamane; Hideki Takeuchi; Eiko Hirokawa; Ikuko Sugitani; Hiroko Shimada; Takahiro Hasebe; Akihiko Osaki; Toshiaki Saeki (Breast Cancer Research, 2018)