The Editors in Chief are issuing this Expression of Concern to confirm to readers that the journal is investigating reports of significant inaccuracies or omissions in this article, with a view to identifying what future editorial action may be appropriate.
If no further editorial action is deemed necessary, this Expression of Concern notice will be updated accordingly.
The authors have been informed of this Expression of Concern.
Updated 15.08.2025: A Corrigendum has been issued in response to this Expression of Concern.
For further information on the process followed in response to this Expression of Concern and the measures undertaken, we recommend readers consult the Editorial in this Special Issue.