1. First Department of Pathology, Kansai Medical University, Moriguchi, Osaka, Japan
2. Department of Ophthalmology, Kansai Medical University, Moriguchi, Osaka, Japan
3. Regeneration Research Center for Intractable Diseases, Kansai Medical University, Moriguchi, Osaka, Japan
4. Department of Anatomical Pathology, Kansai Medical University, Moriguchi, Osaka, Japan
5. Second Department of Internal Medicine, Kansai Medical University, Moriguchi, Osaka, Japan
6. Department of Neurology, Kansai Medical University, Moriguchi, Osaka, Japan