1. School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
2. Physical Sciences of Imaging in the Biomedical Sciences Centre for Doctoral Training, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
3. School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
4. School of Computer Science, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK