1. School of Medicine and Dentistry, University of Aberdeen, Aberdeen, UK
2. Aberdeen Royal Infirmary, NHS Grampian, Aberdeen, UK
3. Computer Science Department, University College London, UK
4. College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
5. Aberdeen Biomedical Imaging Centre, School of Medicine and Dentistry, University of Aberdeen, Aberdeen, UK
6. Department of Chemistry, University of Aberdeen, Aberdeen, UK
7. Salamandra LLC, Bethesda, Maryland, USA