Neuromuscul Disord 2016 Dec 20;26(12):880-884. Epub 2016 Sep 20.
Department of Neurology, RWTH Aachen University, Aachen, Germany; Institute of Neuropathology, RWTH Aachen University, Aachen, Germany; Department of Neurology, University Hospitals Leuven and University of Leuven (KU Leuven), Leuven, Belgium. Electronic address: