We obtained written informed consent by all participants after the procedures were fully explained and the study was approved by the local ethical committee. (link.springer.com)
All local or national requirements for ethical committee approval were or will be obtained. (infrafrontier.eu)
The hospital ethical committee agreed that protocol did not require informed consent from the participants, as the intervention was considered as a routine change in service delivery that was being assessed. (pediatrics.aappublications.org)