1. Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, Shore Road, BT37 0QB Jordanstown, Northern Ireland, UK
2. Healthcare Technology Hub, Ulster University, Shore Road, BT37 0QB Jordanstown, Northern Ireland, UK
3. Institute for Materials Research and Innovation (IMRI), School of Engineering, University of Bolton, Bolton BL3 5AB, UK
4. School of Mathematics and Physics, Queen's University Belfast, University Road, Belfast BT7 1NN, Northern Ireland, UK
5. Department of Precision Mechanical Engineering, Shanghai University, Shanghai 200444, P. R. China