1. Department of Neuropathology, Institute for Medical Science of Aging; Aichi Medical University; Nagakute Japan
2. Department of Neurology; Nakatsugawa Municipal General Hospital; Nakatsugawa Japan
3. Department of Neurology; Toyohashi Municipal Hospital; Toyohashi Japan
4. Department of Neurology; Okazaki City Hospital; Okazaki Japan
5. Department of Neurological Science; Tohoku University Graduate School of Medicine; Sendai Japan