1. Institute of Neuropathology Justus Liebig University GiessenGermany
2. Institute of Clinical Pharmacology Goethe University Frankfurt/MainGermany
3. Department of NeurologyUniversity Hospital Bonn BonnGermany
4. Center for Rare Diseases University Hospital Bonn Bonn Germany
5. Department of Neurology University Hospital Leuven LeuvenBelgium
6. Laboratory for Muscle Diseases and Neuropathies Department of Neurosciences KU Leuven Leuven Belgium
7. Department of Neurology Martin Luther University Halle‐Wittenberg HalleGermany
8. Interdisciplinary Centre of Metabolism: Endocrinology, Diabetes and Metabolism Charité‐University Medicine Berlin BerlinGermany
9. Department of Sleep Medicine and Neuromuscular Disorders Muenster University Hospital MünsterGermany
10. Medical Park Reithofpark Bad Feilnbach Germany
11. Department of NeurologyOtto‐von‐Guericke University MagdeburgGermany
12. Institute of Neuropathology Otto‐von‐Guericke University MagdeburgGermany
13. Institute of Clinical Neuropathology Klinikum Bremen‐Mitte BremenGermany
14. Institute of Neuropathology RWTH University Hospital AachenGermany
15. Department of Neuropathology Charité – Universitätsmedizin BerlinGermany
16. Department of Neurology Technical University of Munich MunichGermany
17. Institute of Human GeneticsJustus Liebig University Giessen GiessenGermany
18. Department of Child Neurology Justus Liebig University Giessen GiessenGermany
19. Department of Neurology Friedrich‐Baur‐Institute LMU University Munich Munich Germany