Erratum to: Rationale and design of oBservational clinical Research In chronic kidney disease patients with renal anemia: renal proGnosis in patients with Hyporesponsive anemia To Erythropoiesis-stimulating agents, darbepoetiN alfa (BRIGHTEN Trial)

Erratum to: Clin Exp Nephrol DOI 10.1007/s10157-017-1427-4

The article Rationale and design of oBservational clinical Research In chronic kidney disease patients with renal anemia: renal prognosis in patients with Hyporesponsive anemia To Erythropoiesis-stimulating agents, darbepoetiN alfa (BRIGHTEN Trial), written by Hideki Kato, Masaomi Nangaku, Hideki Hirakata, Takashi Wada, Terumasa Hayashi, Hiroshi Sato, Yasushi Yamazaki, Takao Masaki, Tatsuo Kagimura, Hiroyasu Yamamoto, Hiroki Hase, Masahiro Kamouchi, Enyu Imai, Kyoichi Mizuno, Manabu Iwasaki, Tadao Akizawa, Yoshiharu Tsubakihara, Shoichi Maruyama, and Ichiei Narita was originally published electronically on the publisher’s internet portal (currently SpringerLink) on June 28, 2017 without open access.

With the author(s)’ decision to opt for Open Choice the copyright of the article changed on August 15, 2017 to © The Author(s) 2017 and the article is forthwith distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits use, duplication, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

The original article was corrected.