1. Department of Pathology; Faculty of Medicine; Siriraj Hospital; Mahidol University; Bangkok Thailand
2. Department of Neurophysiology; Tokyo Medical University; Tokyo Japan
3. Department of Neuromuscular Research; National Institute of Neuroscience; National Center of Neurology and Psychiatry; Tokyo Japan
4. Department of Clinical Development; Translational Medical Center; National Center of Neurology and Psychiatry; Tokyo Japan