1. Woodford Timber Products Ltd., Skellan, H12 CC61 Doogarry, Cavan, Ireland
2. Faculty of Computing, Engineering and the Built Environment, Ulster University Londonderry, Londonderry BT48 7JL, UK
3. Department of Electronic and Mechanical Engineering, Atlantic Technological University Donegal, F92 FC93 Letterkenny, Donegal, Ireland
4. Faculty of Computing, Engineering and the Built Environment, Ulster University Belfast, Belfast BT15 1AP, UK