1. Department of Neuroanatomy, Cell Biology and HistologyHirosaki University Graduate School of Medicine Aomori Japan
2. Department of Anatomical ScienceHirosaki University Graduate School of Medicine Aomori Japan
3. Advanced Genome Design Research Group, Biomedical Research InstituteAdvanced Industrial Science and Technology (AIST) Osaka Japan
4. Technical Support Center for Life Science Research (LSR)Iwate Medical University Iwate Japan
5. Metrology and Analysis System Product Division, Nano‐Technology Solution Business GroupHitachi High‐Technologies Corporation Tokyo Japan