[1] OhioHlth Neurol Phys, Columbus, OH USA
[2] Swedish Neurosci Inst, Multiple Sclerosis Ctr, Seattle, WA USA
[3] Novartis Pharmaceut, E Hanover, NJ USA
[4] Novartis Pharma AG, Basel, Switzerland
[5] Univ Basel Hosp, Med Image Anal Ctr, Basel, Switzerland
[6] Univ Basel Hosp, Dept Neurol, Basel, Switzerland
[7] DKD HELIOS Klin Wiesbaden, Wiesbaden, Germany
[8] Vrije Univ Amsterdam, Med Ctr, Dept Radiol & Nucl Med, Amsterdam, Netherlands