1. Department of Morphological and Physiological Sciences, Graduate School of Health Sciences, Kumamoto University, Kumamoto, Japan
2. Department of Neurology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
3. Saiseikai Kumamoto Hospital, Kumamoto, Japan
4. Department of Amyloidosis Research, Nagasaki International University, Sasebo, Japan
5. Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan