Updates are available Expression of concern dated 2020-03-25

Article History

Received: 20 February 2014

Accepted: 19 May 2014

First Online: 25 June 2014

Change Date: 25 March 2020

Change Type: Clarification

Change Details: Editors Note: After consultation with Diabetologia’s Scientific Integrity Panel and the Springer Nature Research Integrity Group, the Editor-in-Chief is currently investigating this article [Asemi Z, Karamali M, Esmaillzadeh A (2014) Effects of calcium–vitamin D co-supplementation on glycaemic control, inflammation and oxidative stress in gestational diabetes: a randomised placebo-controlled trial. Diabetologia 2014 DOI 10.1007/s00125-014-3293-x] as concerns have been raised about the integrity of the clinical trial reported here. There is also an ongoing investigation by the Iranian National Committee for Ethics in Biomedical Researches. Further editorial action will be considered, as appropriate, once the investigation into the concerns is complete and all parties have been given an opportunity to respond in full.

Free to read: This content has been made available to all.