1. From the Danish Research Centre for Magnetic Resonance (M.A.M., M.P., V.W., H.L., H.R.S.), Copenhagen University Hospital - Amager and Hvidovre; Department of Health Technology (H.L.), Technical University of Denmark, Kgs. Lyngby; Danish Multiple Sclerosis Center (M.B., J.R.C., F.S.), Department of Neurology, Copenhagen University Hospital - Rigshospitalet, Glostrup; Department of Neurology (H.R.S.), Copenhagen University Hospital - Bispebjerg and Frederiksberg; and Department of Clinical Medicine ...