1 From the Department of Neuropediatrics and Muscle Disorders (D.C.S., A.P., T.L., J.K.), Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg; and the Institute of Human Genetics (J.B., B.W.), Center for Molecular Medicine Cologne, Institute for Genetics, and Center for Rare Diseases Cologne, University of Cologne, Germany.
2 From the Department of Neuropediatrics and Muscle Disorders (D.C.S., A.P., T.L., J.K.), Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg; and the Institute of Human Genetics (J.B., B.W.), Center for Molecular Medicine Cologne, Institute for Genetics, and Center for Rare Diseases Cologne, University of Cologne, Germany. Janbernd.kirschner@uniklinik-freiburg.de.