Meeusen Jeffrey W, Lennon Vanda A, Klein Christopher J
Department of Laboratory Medicine and Pathology, College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.
Neurology. 2012 Oct 23;79(17):1824-5. doi: 10.1212/WNL.0b013e31827040a3. Epub 2012 Oct 10.