The statement that financial support was received for this work was erroneously included. The support provided by the Digital Innovation Research Group, Department of Engineering, School of Science and Technology, Nottingham Trent University was not financial in nature. The correct Funding statement appears below.
“The author(s) declare that financial support was not received for the research and/or publication of this article.”
In the acknowledgements, the resources provided by the Digital Innovation Research Group were omitted. The corrected Acknowledgements statement appears below.
“The authors thank the technical staff of the Department of Engineering at Nottingham Trent University for laboratory support during system development. This work was carried out using resources of the Digital Innovation Research Group, Department of Engineering, School of Science and Technology, Nottingham Trent University.”
The original version of this article has been updated.
Footnotes
Approved by: Frontiers Editorial Office, Frontiers Media SA, Switzerland
Publisher’s note
All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.