1. Folkhälsan Institute of Genetics; Medicum; University of Helsinki; Helsinki Finland
2. Research Programs Unit; Molecular Neurology; University of Helsinki; Helsinki Finland
3. Department of Veterinary Biosciences; University of Helsinki; Helsinki Finland
4. Neuromuscular Research Center; Tampere University and University Hospital; Tampere Finland
5. Institute of Neurology; Policlinico ‘A. Gemelli’ Foundation University Hospital; Rome Italy
6. Institute of Neurology; Catholic University School of Medicine; Rome Italy
7. Abdominal Center Nephrology; University of Helsinki and Helsinki University Hospital; Helsinki Finland
8. Research Program Unit; Diabetes and Obesity, University of Helsinki; Helsinki Finland
9. Department of Neurology; Vaasa Central Hospital; Vaasa Finland