1. McKusick‐Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
2. Institute of Pathophysiology, Ernst Moritz Arndt University of Greifswald, Karlsburg, Germany
3. Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
4. Hiberna Corporation, Boulder, CO, USA
5. Institut de Myologie; CNRS UMR 7215; INSERM, UMR_S 974; Université Pierre et Marie Curie‐Paris6, Paris, France
6. Department of Molecular, Cellular, and Developmental Biology, University of Colorado, Boulder, CO, USA
7. University Medical Center Hamburg‐Eppendorf (UKE), Hamburg, Germany
8. Department of Physiology, University of Tübingen, Tübingen, Germany
9. Department of Neuropathology, Ernst Moritz Arndt University of Greifswald, Karlsburg, Germany
10. Department of Physiology and Institute of Biomedical Technologies, University of La Laguna, Tenerife, Spain
11. Department of Biology and Microbiology, University of Wisconsin Oshkosh, Oshkosh, WI, USA
12. Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA