1. Department of Biological Structure Kitasato University Graduate School of Medical Sciences Sagamihara Kanagawa Japan
2. Faculty of Medicine Advanced Medical Research Center University of the Ryukyus Nishihara Okinawa Japan
3. Department of Biological Sciences Graduate School of Science University of Tokyo Bunkyo‐ku Tokyo Japan
4. Department of Neurosurgery Kitasato University School of Medicine Sagamihara Kanagawa Japan
5. Department of Human Biology and Anatomy, Graduate School of Medicine University of the Ryukyus Nishihara Okinawa Japan
6. Division of Molecular Genetics and Epigenetics, Faculty of Medicine, Department of Biomolecular Sciences Saga University Saga Saga Japan
7. Department of Mathematical Analysis and Statistical Inference The Institute of Statistical Mathematics Tachikawa Tokyo Japan
8. Department of Anatomy Kitasato University School of Medicine Sagamihara Kanagawa Japan