1 Centre for Medical Image Computing (CMIC), Department of Medical Physics and Bioengineering, University College London, London, UK.
2 Neuroradiological Academic Unit, UCL Queen Square Institute of Neurology, University College London, London, UK.
3 Nuclear Magnetic Resonance (NMR) Research Unit, Queen Square Multiple Sclerosis Centre, Department of Neuroinflammation, UCL Institute of Neurology, London, UK.
4 e-Health Centre, Universitat Oberta de Catalunya, Barcelona, Spain.