1. School of Chemical Engineering, Advanced Nanomaterials Structures and Applications Laboratories, College of Engineering and Physical Sciences, University of Birmingham, Birmingham, U.K.
2. Ophthalmology Department, University Hospitals Birmingham NHS Foundation Trust, Birmingham, U.K.
3. Department of Military Surgery and Trauma, Royal Centre for Defence Medicine, Birmingham, U.K.
4. School of Biomedical Engineering, University of Glasgow, Glasgow, U.K.