1. Laboratory of Cancer Cell Biology Department of Genome Dynamics Radiation Biology Center Kyoto University Kyoto Japan
2. Research Center for Advanced Science and Technology The University of Tokyo Tokyo Japan
3. Department of Radiation Oncology and Image‐applied Therapy Kyoto University Graduate School of Medicine Kyoto Japan
4. Precursory Research for Embryonic Science and Technology Japan Science and Technology Agency (JST) Saitama Japan