From the Department of Sleep Medicine and Neuromuscular Disorders (B.G., A.S., D.R., H.H., P.Y.), University of Muenster, Germany; Department of Orthopaedics (M.A.-G.), Medical University Vienna, Austria; Institute of Human Genetics (T.S.), Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg; Friedrich Baur Institute (M.Z., J.S.), Department of Neurology, Ludwig Maximilians University Munich; and Institute of Human Genetics (S.R.-S.), RWTH Aachen University, Germany. (At 2014-11-04)