Updates are available Correction dated 2021-02-15

Article History

Received: 26 August 2020

Accepted: 1 November 2020

First Online: 1 December 2020

Change Date: 15 February 2021

Change Type: Correction

Change Details: A Correction to this paper has been published:

Change Details: https://doi.org/10.1186/s12872-021-01873-2

Ethics approval and consent to participate

: In all countries participating in the study, approval was obtained from a central Ethics Committee and several site-specific Ethics Committees. The study was conducted in accordance with the Declaration of Helsinki and with local Institutional Review Board approvals and was registered as NCT02950168. Please find the complete list of Ethics Committees that provided approval in the Additional file InternalRef removed. Written informed consent was obtained from participants prior to enrolment.

: Not applicable: no identifiable subjects are described.

: PC reports grants and personal fees from Daiichi Sankyo Europe and personal fees from Daiichi Sankyo Italy during the conduct of the study; personal fees from Boehringer Ingelheim, Bayer AG, and Pfizer/BMS; and non-financial support from the European Society of Cardiology and the Italian Cardiology Association outside the submitted work. CvH reports grants and personal fees from Daiichi Sankyo Europe and Daiichi Sankyo Germany during the conduct of the study; personal fees from Boehringer Ingelheim, Bayer AG, Pfizer GmbH, CSL Behring, NovoNordisk Pharma, Mitsubishi Pharma, Ferring GmbH, Biotest GmbH, and Leo Pharma GmbH outside the submitted work; that he was mandated from the German Society of Anaesthesiology and Intensive Care Medicine to write the German Guideline on Preoperative Anaemia (published in April 2018); was part of the writing group of the Patient Blood Management Guideline in cardiac surgery on behalf of the European Society of Cardiothoracic Anaesthesiologists in conjunction with the European Society of Cardiothoracic Surgery (published in September 2017); and was mandated to take part in the writing group of the guideline on the Diagnostics and Treatment of Peripartum Haemorrhage of the Deutsche Gesellschaft für Gynäkologie und Geburtshilfe (published in March 2016). AS reports nothing to disclose. MS reports grants and personal fees from Daiichi Sankyo Europe and personal fees from Daiichi Sankyo UK during the conduct of the study. TV reports grants and personal fees from Daiichi Sankyo Europe; and personal fees from Daiichi Sankyo Be, Bayer, 367 Leo Pharma, and Boehringer Ingelheim during the conduct of the study. PL, CC, and MU are employees of Daiichi Sankyo. RW reports personal fees from Daiichi Sankyo, Inc., during the conduct of the study.