1. Institute of Neuroimmunology and Multiple Sclerosis; University Medical Center Hamburg-Eppendorf; Hamburg Germany
2. Nursing Research Unit; University of Lübeck; Lübeck Germany
3. Department of Radiology; St. Josef Hospital Bochum; Ruhr University; Bochum Germany
4. NMR Research Unit; Queen Square Multiple Sclerosis Centre; University College London (UCL); Institute of Neurology; London UK
5. National Institute for Health Research (NIHR); University College London Hospitals (UCLH); Biomedical Research Centre; London UK
6. Department of Neurology; University Medical Center Hamburg-Eppendorf; Hamburg Germany